穿上一套细条纹西装后，他马上就显得一本正经。
In a pinstriped suit he instantly looked like a stuffed shirt.
课堂讲授常常显得一本正经而空洞无物；背诵往往非常枯燥而收效甚微。
Lectures often seem very formal and empty things; recitations generally prove very dull and unrewarding.
他父亲仍旧戴着帽子，穿着短上衣，忽然显得一本正经而又滑稽可笑，好象精心打扮好了要去参加某种卑贱而又需按仪式行礼的暴力行为似的。
His father, still in the hat and coat, appeared at once formal and burlesque as though dressed carefully for some shabby and ceremonial violence .
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