behind someone's back
- without a person's knowledge and in an unfair way
- without a person's knowledge and in an unfair or dishonorable way
Oxford American Dictionary
第一句話是在暗地裡說人閒話的意思，第二個我想你應該看錯了應該是hold on to 緊握的意思
... (n) privacy (n)defensive (adj)put up with sth. (idiom) go behind someone's back (idiom) considerate (adj) smitten (adj) old-fashioned (adj) 2006-03-23...
...不通順.看我的! In a pinch, turn around and double back on the other side of the street or keep walking past...move could foil a mugger because he plans to attack from behind while you're looking for your keys or...