He had a break down. 他崩溃了。
He had a melt down. 他崩溃了。
He flipped. 他发疯了。
Quit on the spot 当场离职
Hand in one's notice/resignation 递交辞呈
Resign 辞职的正式说法
Retire 退休
Step aside 让位,让别人接替职位
Step down 卸任
Quit on the spot 当场离职
Quit without notice 突然离职
Burn bridges 得罪人,毁掉人际关系
Don't burn bridges
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