9N-COUNT [usually adjective NOUN](表示柔道或空手道级别的)段,带 If someone is or has a belt of a particular colour in judo or karate, they have reached the standard which that colour represents. (表示柔道或空手道级别的)段,带
12PHRASE 勒紧裤腰带;紧缩开支;节衣缩食 If you have to tighten your belt, you have to spend less money and manage without things because you have less money than you used to have. 勒紧裤腰带;紧缩开支;节衣缩食
Clearly, if you are spending more than your income, you'll need to tighten your belt.
明摆着,要是你入不敷出,你就得省着点了。
13PHRASE 已经取得(或完成) If you have something under your belt, you have already achieved it or done it. 已经取得(或完成)
Clare is now a full-time author with six books, including four novels, under her belt.