过不去

1. cannot get through; be unable to get by

♦ 前面正在修路, ~。 As the road ahead is under repair, you can't get through.

2. be hard on; make it difficult for; embarrass

♦ 人家批评你, 并不是跟你~。 People didn't mean to be hard on you when they criticized you.

3. feel sorry

♦ 费了你这么多时间, 我心里真~。 I'm sorry for having taken up so much of your time.