1、execute

將…處死;將…正法

He was executed by lethal injection earlier today.

他于今天早些時候被注射處死。

One group claimed to have executed the American hostage.

一個組織聲稱已經處決了那名美國人質。

完成，表演(高難度動作)

I executed the hairpin turn high on the sheer western face of the mountains.

我在山脈西側陡峭的高處成功地急轉彎。

The landing was skilfully executed.

熟練地完成了著陸。

制作，創作（藝術品）

Morris executed a suite of twelve drawings in 1978.

莫里斯在1978年創作了由12幅畫組成的一組作品。

A well-executed shot of a tall ship is a joy to behold.

欣賞優秀的高桅橫帆船攝影作品是種樂趣。

2、volatile

易變的;動蕩不定的;反復無常的

There have been riots before and the situation is volatile.

以前曾發生過暴亂，現在局勢不太穩定。

The international oil markets have been highly volatile since the early 1970s.

從20世紀70年代初開始，國際石油市場就一直很不穩定。

（人）易變的，情緒無常性的

He accompanied the volatile actress to Hollywood the following year.

第二年他陪著這位情緒無常的女演員去了好萊塢。

He has a volatile temper.

他脾氣反復無常。

（液體等物質）易揮發的，易發散的

It's thought that the blast occurred when volatile chemicals exploded.

人們認為，易揮發的化學物質爆炸時產生了沖擊波。