1. Hang on a moment.
稍等。
2. Give us a second.
请等一下。
3. I'll be right with you.
我马上就来。
4. Half a moment.
马上。
5. I'm in the middle of something. Could you call back later?
我现在很忙，你能过会给我打电话吗?
6. I can't right now, but maybe later.
我现在办不了，可能过几天吧。
7. Sorry, I'm a bit tied up right now.
不好意思，我现在有点忙不过来了。
