ReadWriteQuiz
Chinese dictionary
derogact as if it were the case; act in all apparent seriousness; pretend to be serious about something; make a show of earnestness
她带着作品走进餐厅,还煞有介事地把它倒着举过头顶。
She entered the dining-room with his creation and ceremoniously held it upside-down over his head.
他煞有介事地大步走进房间。
He strode importantly into the room.
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