rush off: 冲出【急着走】
I'm sorry to have to rush off like this.
我就这样匆忙走掉了,很抱歉.
If your daughter takes you into her confidence, don't rush off to tell your husband.
如果女儿告诉你她的秘密，不要急着说给丈夫听。

pass away: 去世
He unfortunately passed away last year.
他去年不幸逝世。
This was our place. Rex passed away recently. He was, um, murdered by our pharmacist.
你也知道，这是我们俩常来的地方。Rex最近去世了。他是被我们的药剂师杀死的。