He sera there by noon.

他将会在中午之前到那里。

Can you fax me the report by noon?

你能在中午之前把报告传真给我吗？

They need to load the cargo onto the ship by noon.

他们需要在中午之前把货物装载到船上。

E. g. I will be back by noon.

我将在中午之前回来。

Some morning - glories upfold their flowers by noon.

某些牵牛花在中午之前会阖起来.

Please vacate the room by noon.

请在中午前腾出房间。

Assumedly, he will arrive by noon.

假定地，他会在中午前到达。

The sun will melt the snow by noon.

太阳会在中午前融化雪。

By my reckoning, we should arrive by noon.

根据我的计算，我们应该在中午到达。

Presumptively, he will arrive by noon.

推测地，他会在中午前到达。