答应

1. answer; reply; respond

♦ 敲了半天门没人~。 I knocked again and again but there was no answer.

♦ 我在楼下喊你半天, 你怎么不~？ I kept calling to you from downstairs —how come you didn't answer?

2. agree; promise; comply with

♦ 我们请他来参加座谈会, 他已经~了。 We asked him to attend our discussion, and he agreed to come.

♦ 他~八点半到。 He promised to be here at 8:30.