對某事認真be serious后面用什么介詞

對某事認真be serious后面用介詞about 。be serious about 是固定搭配。

例如，他對自己的學(xué)習(xí)和生活一貫很認真，即使在業(yè)余時間里，他也非常嚴格執(zhí)行自己制定的學(xué)習(xí)計劃。

For example, he has always been very serious about his study and life, and even in his spare time, he is very strict with his study plan.

beseriouswithsb.對人要求嚴格beseriousaboutsth.對某事要求嚴格。