1.die from 死于

The studies also showfewer children now die from measles.
研究還表明現在只有少數兒童死于麻疹。

So what did he die from?
那他是怎么死的？

2.drop from 從…落下；從…除去

That was a5% drop from the year before--the first reduction since 1996.
比去年下降了5%，是自1996年的第一次下滑。

Without those propellant burns, the station would eventually drop from orbit.
沒有這些推進器的點燃，空間站最終會從軌道降落。

3.cough up 咳出；掏出

Some people actually cough up the larvae.
有人真的咳出過幼蟲。

I cough up a great deal of sputum.
我咳嗽有很多痰。

4.call for 需要；要求

Chinese companies call for fairer treatment from foreigners.
中國公司要求更公平的對待外國人。

A few relatively infrequent situations also call for a semicolon.
有幾個比較少見的的情況也要求使用分號。