别为这些小事斤斤计较了。

Don't worry about such ___petty details.

她总是为一些小事斤斤计较，这让大家很困扰。

Her ___petty complaints about small things really bother everyone.

他总是为一些鸡毛蒜皮的小事跟同事计较。

He often argues with his coworkers over ___petty things.