English Reference
Idiom idiom

fail to do sth


to not do something that you were expected or supposed to do.


SIMPLE

“I fail to do my homework on time sometimes.”

CONTEXTUAL

“The company will fail to do the repairs this week because they lack the necessary parts.”

COMPLEX

“If the government continues to fail to do its duty regarding public safety, the citizens will likely demand a change in leadership.”

Last updated April 22, 2026