这个会议最多开一个小时就结束。

Zhège huìyì zuìduō kāi yī gè xiǎoshí jiù jiéshù.

This meeting will last at most one hour and then end.

教室里最多能坐四十个人。

Jiàoshì lǐ zuìduō néng zuò sìshí gè rén.

The classroom can seat at most forty people.

我最多再等你十分钟，不来我就先走了。

Wǒ zuìduō zài děng nǐ shí fēnzhōng, bù lái wǒ jiù xiān zǒu le.

I'll wait for you at most ten more minutes; if you don't come, I'll leave first.