恐怕我不能给你约定在4点半，这个时间是我空起来做些日常拜访的。

I'm afraid I can't give you an appointment at 4:30. That's the time I keep free to make my duty calls.

youdao

恐怕我不能给你约定在4点半，这个时间是我空起来做些日常拜访的。

I'm afraid I can't give you an appointment at 4:30. That's the time I keep free to make my duty calls.

youdao