by mistake

例句：

1. The burglar alarm was activated by mistake.
   防盜鈴誤響了。
2. I picked up your bag by mistake.
   我錯拿了你的手提包。
3. I took your bag instead of mine by mistake.
   我錯拿了你的手提包，還以為是我的呢。
4. I've poured coffee into your cup by mistake.
   我錯把咖啡倒在你的杯子裡了。
5. By mistake he took the tall heavy-set man for his boss.
   他誤以為那個敦實的高個子男人是他老闆。
6. Tom must have taken your dictionary by mistake.
   湯姆一定是弄錯了才拿了你的字典。
7. The man was sent to the hospital for having eaten toadstool by mistake.
   那個人因為誤食毒菌而被送進了醫院。