他因为同事用了他的订书机就生气，真是小心眼。

He got angry just because his coworker used his stapler—how ___petty-minded!

她总是为了一些无关紧要的小事斤斤计较，这种小心眼的态度让人很烦恼。

Her ___petty-minded attitude about trivial matters is really annoying.