對不起某人 的英文怎么说?

[1] A cannot face B
  A can't face B[2] A cannot look B in the face
  A can't look B in the face[3] to let somebody down[4] apologetic to somebody

A cannot face B = A cannot look B in the face = A做了某件事情後覺得很羞愧丟臉或尷尬，所以無法面對B，也就是A對不起B的意思

這兩個片語的另一種意思是，A單純無法面對B，例如A跟B以前是情侶，但A對B還有感覺，所以A無法面對B。另一個例子是A跟B是父子，吵架後兒子無法面對父親。

為了讓意思明瞭，說者應該要提供原因，聽者才知道說者的意思是「對不起某人」。

另外，也能直接用 sorry 表示「對不起你」，例如:

抱歉我劈腿了，我對不起你 = I am deeply sorry I cheated on you.

對不起你 = owe you = can't face you = can't look you in the face
對不起我 = owe me = can't face me = can't look me in the face
對不起他 = owe him = can't face him = can't look him in the face

另外，也能使用 let somebody down，但此片語比較像使某人失望的意思。