There's room for another one if you move up a bit.
如果你挪开一点，这里还可以容纳多一个人。
You need to work on your pronunciation a bit more.
你需要再加把劲改进发音。
Actually, I'll be a bit late home.
说真的，我回家会晚一点。
What's wrong with a bit of smoodge between friends?
朋友之间互相恭维一下有什么不妥？
It's a bit much calling me at three in the morning.
凌晨三点钟打电话给我，太过分了。