"walk out on" in Chinese (Simplified)
抛弃离开（某人）
Definition
指突然并且不负责任地离开某人，常用于结束关系或逃避责任时。
Usage Notes (Chinese (Simplified))
非正式用法，常用于人际关系或责任方面，表达突然且不负责任的抛弃。不要混淆为纯粹的“离开”。
Examples
He walked out on his wife and children.
他**抛弃**了妻子和孩子。
Don't walk out on your friends when they need you.
朋友需要你的时候不要**抛弃**他们。
She felt hurt when her dad walked out on the family.
她爸爸**抛弃**家庭时，她感到很受伤。
After five years, he just walked out on his job without warning.
五年后，他居然毫无预兆地**辞职离开**了工作。
You can't just walk out on your responsibilities when things get tough.
事情变难时，你不能就这样**逃避**责任。
I never thought my best friend would walk out on me like that.
我从没想过我最好的朋友会这样**抛下**我。