沾边

1. touch on (or upon) only lightly

♦ 他讲的那些话跟他的真实思想根本不~。 What he said wasn't at all what he was really thinking.

♦ 这事他也沾了点边儿。 He was involved in the affair to a certain extent.

2. be close to what it should be; be relevant

♦ 你讲的一点也不~。 What you say is completely irrelevant.