at full stretch:using as much energy as possible, or the greatest possible amount of supplies 竭尽全力;以最大财力物力 Fire crews have been operating at full stretch. 各消防队一直在全力以赴.we've bee
rip somebody off:to cheat somebody, by making them pay too much, by selling them something of poor quality, etc. 敲诈;讹诈 Tourists complain of being ripped off by local cab drivers. 游客们抱怨被当地
go through the motions (of doing something):to do or say something because you have to, not because you really want to 做姿态,走过场,装装样子I don't want to do this, but I think I'd better go throu