寡言少语

tā men hěn yà yì zì jǐ biàn de guǎ yán shǎo yǔ

他们很讶异自己变得寡言少语。

They were surprised to find how little they spoke!

tā guǎ yán shǎo yǔ qiě yǒu shū dāi zi qì

他寡言少语且有书呆子气。

He is quiet and nerdy.