老教授对学生敢于质疑权威的态度表示赞许。Lǎo jiàoshòu duì xuéshēng gǎnyú zhíyí quánwēi de tàidù biǎoshì zànxǔ.The old professor expressed approval of the student's willingness to question authority.
老板对他的认真态度非常赞许。Lǎobǎn duì tā de rènzhēn tàidù fēicháng zànxǔ.The boss greatly approved of his diligent attitude.
她赞许地笑了笑,说做得不错。Tā zànxǔ de xiào le xiào, shuō zuò de bùcuò.She smiled with approval and said it was done quite well.