abandon post的用法和樣例：
例句
- In no case are you to leave your post.
你在任何情況下都不應該離開崗位。 - During all this time, Little Gavroche, who alone had not quitted his post, but had remained on guard, thought he espied some men stealthily approaching the barricade.
伽弗洛什是唯一沒有離開崗位留在原地守望的人，他在這時彷彿看見有些人朝著街壘偷偷地摸過來。
