The front door is locked and all the windows are firmly shut.
4ADJ-GRADED (抓握或动作)强有力的，使上劲的 If someone's grip is firm or if they perform a physical action in a firm way, they do it with quite a lot of force or pressure but also in a controlled way. (抓握或动作)强有力的，使上劲的
The quick handshake was firm and cool.
He managed to grasp the metal, get a firm grip of it and heave his body upwards.
he held me firmly by the elbow and led me to my aisle seat.
Tim stretched out a hand in apology and was comforted by the firmness with which Marc gripped it.
5ADJ-GRADED (人)坚定的，坚决的,强势的 If you describe someone as firm, you mean they behave in a way that shows that they are not going to change their mind, or that they are the person who is in control. (人)坚定的，坚决的,强势的
She had to be firm with him. 'I don't want to see you again.'. [+ with]
Perhaps they need the guiding hand of a firm father figure.
ADJECTIVE | VERB + FIRM | FIRM + VERB | PREPOSITION | PHRASESADJECTIVE➤big, large, major大公司▸➤medium-sized中型公司▸➤small小公司▸➤well-known著名公司▸➤successful成功的公司➤prestigious有威望的公司▸➤established地位穩固的公司▸➤start-up (especially BrE) 剛建立的公司◇start-up firms in the booming computer market 在蓬勃發展的電腦市場中剛起步的公司➤private私人企業▸➤family家族企業▸➤international, multinational國際／跨國公司▸➤foreign外國公司▸➤local當地公司➤Boston-based, Tokyo-based, etc.總部設在波士頓、東京等的公司▸➤accountancy, accounting, audit, auditing, consulting, engineering, law, manufacturing, marketing, PR, software (especially BrE) , etc.會計師事務所、審計事務所、咨詢公司、工程公司、律師事務所、製造公司、營銷公司、公關公司、軟件公司等▸➤mail-order (especially BrE) 電郵公司VERB + FIRM➤establish, found, launch, set up, start, start up (especially BrE) 創建／成立／興辦／建立／開創／開設公司◇She set up her own software firm. 她創建了自己的軟件公司。➤head, head up, manage, run領導／主管／管理／經營公司▸➤merge with與公司合併◇They are likely to merge with a bigger firm. 他們很可能和一家較大的公司合併。➤acquire, buy, buy out, take over兼併公司；收購公司；接管公司◇The firm was taken over by a multinational consultancy. 這家公司被一家跨國咨詢公司接管了。➤close, close down關閉公司◇the decision to close down the firm 關閉公司的決定➤own擁有公司▸➤work for為公司工作▸➤join, leave加入／離開公司▸➤employ, hire雇請公司◇She hired a firm of private detectives to follow him. 她雇了一家私人偵探社跟踪他。FIRM + VERB➤be based in sth公司總部在⋯◇a firm called Data Inc., based in Chicago 總部設在芝加哥的一家名為數據公司的企業➤expand, grow公司擴展／發展▸➤merge公司合併▸➤compete公司競爭◇Local firms are finding it difficult to compete in the international market. 當地公司發現很難在國際市場競爭。➤operate公司運營◇US firms operating in China 在中國運營的美國公司➤close, close down, collapse, fail, go bust, go into liquidation (especially BrE) 公司倒閉；公司破產；公司停業清算◇The well-established firm closed down with the loss of 600 jobs. 那家地位鞏固的公司倒閉了，造成 600 個工作崗位的喪失。➤develop sth, make sth, manufacture sth, produce sth, sell sth公司開發⋯；公司製造⋯；公司生產⋯；公司出售⋯▸➤specialize in sth公司專門從事⋯◇a firm specializing in high-tech products 專門從事高科技產品的公司➤employ sb, hire sb (especially NAmE) 公司雇用某人◇The firm employs 85 000 people around the world. 公司在世界範圍內雇用了 85,000 人。PREPOSITION➤in a/the firm, within a/the firm在公司裏；在公司內部◇the different departments within the firm 公司內部的各部門PHRASES➤a client of a firm公司的客戶➤a firm of accountants, consultants, solicitors, etc. (BrE) 會計師事務所、顧問公司、律師事務所等➤a partner in a firm公司合夥人➡ note at organization➡ topic at businessfirm
1solid/strong硬；強壯VERBS | ADVERBVERBS➤be, feel, look, seem牢固；感覺結實；看上去牢固；好像結實▸➤remain, stay保持結實◇Exercise is important if you want your muscles to stay firm. 如果你想保持結實，鍛煉很重要。➤make sth使⋯結實◇Use extra stuffing to make the cushions firmer. 再添些填充料讓墊子硬一點兒。➤keep sth使⋯保持強健◇exercises to keep your muscles firm 使肌肉保持強健的運動ADVERB➤extremely, fairly, very, etc.極其／相當／非常堅固firm
2not likely to change不易改變VERBS | ADVERB | PREPOSITIONVERBS➤be, sound堅定；聽起來堅定▸➤hold, remain, stand很堅決；立場堅定◇Jo held firm: nothing else would do. 喬很堅決：其他都不行。◇We stand firm on these principles. 對於這些原則我們立場很堅定。ADVERB➤extremely, fairly, very, etc.極其／相當／非常堅定PREPOSITION➤with對⋯堅決◇I have always been quite firm with my children. 我對自己的孩子向來頗為嚴格。
firm ♦︎ secure ♦︎ steady ♦︎ stableThese words all describe sth that is strongly fixed in place and not likely to move.这些词均表示牢固的、稳固的。PATTERNS AND COLLOCATIONS 句型和搭配◆a firm / secure / steady / stable foundation◆a firm / secure / stable base■firmstrongly fixed in place, especially on sth heavy or strong that is not likely to move or change牢固的；稳固的◆Stand the fish tank on a firm base. 把鱼缸放在牢固的基座上。◆No building can stand without firm foundations, and neither can a marriage. 没有稳固的基础，建筑就不牢靠，婚姻也是如此。 see also firm ⇨ solid, firm ⇨ tight▸firmly
◆Make sure the cover is firmly fixed in place. 一定要把罩子牢牢地固定在适当的地方。■secure sɪˈkjʊə(r); NAmEsəˈkjʊrfixed firmly and correctly and therefore not likely to move, fall or break牢固的；稳固的；坚固的◆The aerial doesn't look very secure to me. 我看这天线不太牢固。◆It was difficult to maintain a secure foothold on the ice. 在冰上不容易站稳脚。■steadyfirmly fixed, supported or balanced; not shaking or likely to fall稳的；平稳的；稳固的◆He held the boat steady as she got in. 他把船稳住，让她上了船。◆Such fine work requires a good eye and a steady hand. 做这样精细的工作，眼要尖、手要稳。◆She's not very steady on her feet these days. 她如今站不太稳了。OPPunsteadyⓘ Unsteady describes a person who is not completely in control of their movements and might fall, or a part of the body that is shaking or moving in a way that is not controlled. * unsteady表示人站不稳的、摇晃的或身体部位颤抖的、抖动的◆She is still a little unsteady on her feet after the operation. 手术后她还有点站不稳。◆With unsteady hands he opened the door and peered out. 他用颤抖的双手打开门，向外窥视。 see also steady ⇨ leanverb2, steady ⇨ steadyadj.■stableˈsteɪbl not likely to fall over稳固的；牢固的◆This ladder doesn't seem very stable. 这架梯子好像不太稳。OPPunstable see also stable ⇨ steady