fell asleep

• vi. 入睡；长眠；懈怠

fell asleep的用法和样例：

例句

用作不及物动词 (vi.)

1. It took him a long time to fall asleep last night.
   昨晚他过了好一会儿才入睡。
2. She charmed the princess asleep.
   她用魔法使公主入睡。