You cannot serve two masters; you must serve one or the other.

你不能侍奉两个主人，你必须侍奉其中一个，非此即彼。

youdao

No servant can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other.

一个仆人不能事奉两个主。不是恶这个爱那个，就是重这个轻那个。

youdao

No man can serve two masters.

一仆不能事二主。

youdao

Tiger Woods is a four-time champion at the Masters, most recently in two thousand five.

VOA: special.2010.04.10

He started out by observing that all of us, all human beings are governed by two sovereign masters: pain and pleasure.

边沁通过观察得出，所有人类均受两大至高无上的因素所支配：,痛苦与快乐。

耶鲁公开课 - 公正课程节选

It encouraged banks to serve two masters -- their bottom line and the so-called common good.

WSJ: How Government Stoked the Mania

"Two semifinals in a row, first two Masters 1000 of the season for me is positive, " Nadal said.

CNN: Roddick serves up semifinal upset with victory over Nadal

Sir Garfield disregarded the wise advice, noted in Luke and Matthew, that no one can serve two masters.

ECONOMIST: Sir Garfield Todd