in mourning的用法和樣例：
例句
- The court will go into mourning for the late king.
皇室將為故王服喪。 - She was still in mourning for her husband.
她仍在為丈夫服喪。 - 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。 - After the death of an elderly person, children and grandchildren should put on mourning apparel.
老人去世后，兒孫們要披麻戴孝。
