光明磊落be open and aboveboard他们的行为都是公开及光明磊落。Their actions are open and aboveboard. 背后捅刀子 stab in the back我万万没想到张某会在背后捅我一刀。我过去太信任她了。I was taken aback and didn’t think Zhang would stab me in the back. ...
说某人的坏话 badmouth somebody我从来没说过任何人的坏话。I've never badmouthed anyone.厚着脸皮去干 have the gall to do 你怎么能厚着脸皮去抱怨说别人不勤快?How can you have the gall to complaint about other people's being lazy