1PHRASAL VERB 使(机器或设备)提高效率 If you crank up a machine or a device, you make it function harder or at a greater level. 使(机器或设备)提高效率 [British] [Also VERB n PREPOSITION]
Just crank up your hearing aid a peg or two. [VERBPREP. noun]
把助听器调高一两个刻度就可以。
2PHRASAL VERB 启动(机器或设备) If you crank up a machine or device, you start it. 启动(机器或设备) [US] [Also VERB n PREPOSITION]
...May's warm weather, which caused Americans to crank up their air conditioners. [VERBPREP. noun]
5月份的温热天气使得美国人打开了空调
3PHRASAL VERB 开大,调高(音量) If you crank up the volume of something, you turn it up until it is very loud. 开大,调高(音量) [Also VERB n PREPOSITION]
Someone cranked up the volume of the public address system. [VERBPREP. noun]
有人调大了公共广播系统的音量。
By about six, they're cranking the music up loud again. [V n P adj]
到6点左右,他们又把音乐声音开大了。
4PHRASAL VERB 使增加;使增强 To crank something up means to increase it or make it more intense. 使增加;使增强 [mainly British] [Also VERB n PREPOSITION]
The incident that cranked up the fear was the murder of Brian Smith. [VERBPREP. noun (not pronoun)]
布赖恩·史密斯被谋杀的案子让人们更加恐惧。
The legal authorities cranked up the investigation. [VERBPREP. noun]