Not very good, I'm afraid, but I do play it a lot. Do you play, by any chance?
不怎么擅长,但我确实经常打。你有机会打球吗?
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话,我们想留几个晚上供你们自由支配。
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题,因为我不知道该怎么办。我想我最好写信给你,征求你的意见。