言行不一

    yánxíngbùyī

    1. Idiomto say one thing and do another (idiom)

    他经常言行不一,说得很好听但从不付诸行动。Tā jīngcháng yánxíngbùyī, shuō de hěn hǎotīng dàn cóngbù fùzhū xíngdòng.He often says one thing and does another; he talks a good game but never follows through.