goodnight mum：晚安媽媽；
goodnight
int. 晚安；再見
例句：
I tucked the children in and said goodnight.
我給孩子們蓋好被子說晚安。
Both men rose to their feet and kissed her goodnight.
兩位男士都站起身來(lái)跟她吻別道晚安。