He's good at looking after his own interests.

他善于照顾自己的利益。

《牛津词典》

He always seeks his own interests.

他总是追求他自己的利益。

youdao

He only looks after his own interests.

他只顾自己的利益。

youdao

But at Cambridge, Charles continued to follow his own interests.

VOA: special.2009.02.25

The true ruler," he says "is one who is like a shepherd with a flock, but he rules not for the benefit of the flock but, of course, for his own interests, " the good of the shepherd."

他说：，“真正的统治者,是牧者，但规则不是要造福牲畜,而是他自身的利益，对牧者要有好处“

耶鲁公开课 - 政治哲学导论课程节选

The true ruler is the person who both acts on his own interest and of course knows what those interests are.

真正的统治者,仅干对自身有利的事,而且知道有哪些利益对他有好处。

耶鲁公开课 - 政治哲学导论课程节选

Oldest son Lachlan resigned from the company in 2005 to pursue his own interests.

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Despite his own interests, he insists that the band's sound is very much a group effort.

NPR: White Light Riot: 'Charlatan'

Dole said he's glad to see that Gingrich put party before his own interests.

CNN: Dole: Gingrich made the right move