walk out on   (TTS發音)

abandon；desert遺棄；拋棄

    You can't just walk out on us like this. 你不能這樣丟下我們不管。

    Mike just walked out on his wife and family without saying a word. 邁克一句話也沒說就丟下妻子兒女不管了。

    She treated him badly，but she never thought he'd walk out on her. 她待他很不好，可她從不認為他會拋棄她。