克星的英文：
a malignant star
a person who always bars another person from success
an unbeatable rival
a jinx
the bane

The conqueror of beriberi
脚气的克星

Guilty Gear X
罪恶克星X

The policeman was known as a drug buster.
这位警察被称作毒贩克星。

So it was at lexington and Concord. So it was a century ago at Appomattox
在列克星敦和康科德曾发生的事件就是这样一个转折点，一个世纪前在阿波马托克斯发生的情况同样如此。

Research shows that spending time in nature is a, well, natural stress buster.
研究显示花些时间同大自然接触是一个很好的、天然的压力克星。

A cancer is a malignant tumour.
癌是一种恶性瘤。

Indeed, not all viruses are malignant.
事实上，并非所有的病毒都是有害的。

She developed a malignant breast tumor.
她得了恶性乳腺瘤。

Are you a movie star?
你是电影明星吗？

This is a binary star.
这是颗双子星。

He starred his boat.
他在他的船体上用星星作装饰。

A wanton person.
淫荡的人

an outspoken person
直率的人

You are such a wicked person.
你真是个讨要的人。