fail someone

7. VERB

If someone fails you, they do not do what you had expected or trusted them to do.

    communities who feel that the political system has failed them.

9. VERB

If a quality or ability that you have fails you, or if it fails, it is not good enough in a particular situation to enable you to do what you want to do.

    For once, the artist's fertile imagination failed him.

    Their courage failed a few steps short and they came running back.

자료: collins cobuild