重点讲解:
1. crank up 使(机器或设备)提高效率;
例句:Just crank up your hearing aid a peg or two.
把助听器调高一两个刻度就可以 。
2. end up 最终;结果;到头来;
例句:Many end up living in the seedy city for good.
许多人最后永远地生活在了这座破旧城市 。
3. turn off 关上;关掉;截断,切断(…的供应);
例句:He turned off the light before going out.
他出门前把灯关掉 。
4. go off the deep end 变得神志不清;变得不正常;
例句:I'm not sure she believes me. She probably just thinks I've gone off the deep end.
我不确定她是不是相信我 。她可能只是觉得我神志不清了 。
n. 酒精,乙醇,酒