int. 晚安；再见
1. I always say "goodnight" to my family before going to bed.
我总是在上床睡觉前对家人说“晚安”。
2. She smiled and whispered "goodnight" as she turned off the light.
她微笑着低声说“晚安”，然后关掉了灯。
3. It's important to wish your friends a goodnight after a long day.
在漫长的一天结束后，对朋友说声晚安是很重要的。