Sorry, I shut my phone off.對不起 ，我關機了

shut off:關掉

They shut off the gas before going on holiday.

他們出發度假之前關閉了煤氣。

Are you actually defending our enemy right now?你現在是要為我們的敵人辯護嗎

right now:立刻；馬上；就在此刻

She's out do some shopping right now.

她現在出去買此東西。

maybe "A" wouldn't have a reason to keep on exposing them.A就沒有什么戳穿謊言的理由了

keep on doing: 繼續進行

You'll soon go to pieces if you keep on working like that.

如果你繼續那樣工作的話,很快就會垮下來。

by the way.I'm... I'm doing just fine.還有，我，我很好

by the way:順便說

By the way, I love your hair that way.

順便說一句，我喜歡你的發式。