1 sentence

1. 老先生听然而笑，夸赞这孩子不仅聪明而且很有礼貌。

   lǎo xiān​sheng yǐn rán ér xiào, kuā​zàn zhè hái​zi bù​jǐn cōng​ming ér​qiě hěn yǒu lǐ​mào.

   The old gentleman smiled and chuckled, praising the child for being not only smart but also very polite.

   Source: Dong Chinese Dictionary