遗忘

例句：

1. 1.I forgot my keys at home.
   我在家里忘了带钥匙。
2. 2. She forgot her phone number when she left the house.
   她离开家时忘了她的电话号码。
3. 3. He forgot to bring his umbrella when it started raining.
   他忘记带雨伞，开始下雨了。