plot 情节
plot development 情节发展
heads up 当心,留神
=look up and look for the danger, pay attention fast
=look out
pack a suitcase 收拾行李
=prepare your luggage for a trip
That's tough 遗憾,可惜
=That's too bad
=What a shame
That's tough 可用语反语
tough 用于人,表示难对付,棘手的人