反諷:剛好對他自己方便
同樣是「剛好省了某人的麻煩」,只是說話的人把「對誰方便」點了出來——而答案是對當事人自己。於是原本中性的貼合感,就變成了懷疑的語氣。
suspiciously, as if on purpose · r · B2
If someone has conveniently forgotten, ignored, or lost something, they did it on purpose because it helps them avoid a problem.
剛好/恰好(故意)