up to

胜任, 直到, 多达, 该由 ... 决定

例句与用法：

This hotel can accommodate up to 500 guests.

这旅馆可供500位来宾住宿。

A charge of 1.90 will be rounded up to 2, and one of 3.10 rounded down to 3.

把 1.90 英镑的费用上调为整数 2 英镑，把 3.10 英镑下调为整数 3 英镑。

I leave it up to you.

我让你自己决定。

I don't feel up to the task.

我不能胜任这工作。

It's up to him to do it.

这事该由他做。

It's up to you to decide.

这主要取决于你。

He is not up to his work.

他不胜任工作。

Up to yesterday, I thought he was single.

直到昨天，我一直以为他是独身。

详细释义：

忙于

What are you up to?

你在忙什么?