without fail
US /wɪðˈaʊt feɪl/
UK /wɪðˈaʊt feɪl/
成语
总是, 从不失约, 毫无例外
always; without exception
示例:
•
He calls his mother every Sunday, without fail.
他每个星期天都会给妈妈打电话，从不失约。
•
The alarm goes off at 6 AM without fail.
闹钟每天早上六点准时响。