不客气

他拒绝承认。我们必须承认这个事实。

I'm afraid that...; perhaps; probably. Used to express concern, uncertainty, or to soften a polite refusal.

表示赞成、认可或准许。意见一致。

表示让步关系的连词。先承认某个事实，再转入正文，表示意思的转折。通常成对使用。

announcement

to answer; to reply

To answer (a phone call).

To express an apology formally. This is a critical term for IELTS letters of apology.

To ask a question; to pose an inquiry.

Broadcast.