leave off mourning的用法和樣例：
例句
- According to local customs, the mourning period should be at least three weeks.
民間講究披麻戴孝至少服滿三七。 - When the period of mourning were over,you will be released after the term of imprisonment.
在服滿你刑期后你將被釋放。 - After three years of mourning for his mother he was still in a state of deep sorrow.
為母守孝三年除服，他心情依然悲傷。
