If you can't think of anything to say that's to the purpose then please be quiet.
If you can't think of anything to say that's to the purpose then please be quiet.
如果你想不出什么相关事情要说，就请你安静些。
If you can't think of anything to say that's to the purpose then please be quiet.
如果你想不出什么相关事情要说，就请你安静些。