1、conviction

堅定的信念(或主張)

It is our firm conviction that a step forward has been taken.

我們堅信已經向前邁進了一步。

Their religious convictions prevented them from taking up arms.

由于宗教信仰的原因，他們不會拿起武器進行反抗。

定罪;判罪

He will appeal against his conviction.

他會對判決提起上訴。

The man was known to the police because of previous convictions.

因為有犯罪前科，警察們都認識這個人。

令人信服;有說服力

Nor did his denial carry conviction.

他的否認也沒有說服力。

2、expel

開除;將…除名

More than five-thousand secondary school students have been expelled for cheating.

5,000多名中學生因為作弊被開除。

a boy expelled from school for making death threats to his teacher.

因為威脅要殺死老師而被學校開除的男孩

逐出;驅逐

An American academic was expelled from the country yesterday.

昨天一位美國學者被逐出該國。

They were told at first that they should simply expel the refugees.

一開始有人告訴他們應該直接將那些難民驅逐出境。