正经的

She always give clients an impression of humourless prude.

(苟言笑，一本正经印象)。

Lawyer Utterson is a non-talky and nannyish people.

律师厄特森先生爱说话、一本正经人。

Joking apart, you ought to smoke fewer cigarettes, you know.

说正经, 你应少吸点烟, 知道吗?

I don't like proper children.

我喜欢一本正经。