go out of 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。 - He has three more years in prison before he's served out his sentence.
他要在監獄里再待三年，才能服滿刑期。 - 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。
