WITHOUT FAIL


Meaning of WITHOUT FAIL in English

1.

when you tell sb to do sth without fail , you are telling them that they must do it :

I want you here by two o'clock without fail.

2.

always :

He emails every week without fail.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.