躬行

gōng xíng jié yuē

躬行节约

personally practise thrift

jué zhī cǐ shì yào gōng xíng

绝知此事要躬行。

You must know it and do it.

tā gōng xíng shí jì qǔ dé le xiǎn zhù de chéng jì

他躬行实际，取得了显著的成绩。

He is practical and has made remarkable achievements.