請假的英文為ask for a leave或者ask for a day off。
以下例句幫助更好地理解：
I?have?to?ask?for?a?leave?tomorrow?morning.?
我明天上午得請假了。
Everyone?enjoys?the?class?so?much?that?they?feel?it's?a?pity?to?ask?for?a?leave?if?
emergency?occurs.?
大家對學習英語都非常喜愛，所以有時學員因特殊情況請假不能參加，都會覺得很遺憾。