①
I'll be busy tomorrow.
I'd love to, but I'm afraid I'll be ，
busy all day long tomorrow.
我很想去，
但是恐怕明天一整天我都有事要忙。
②
I have plans for tomorrow.
have plans “有安排，有事”
"I'm sorry," she said. "I have plans for tomorrow."
“抱歉，”她说，“我明天有事。”
③
I'll be tied-up tomorrow.
tied-up 很忙；脱不开身
I can't see you tomorrow.
I'll be tied-up all day.
我明天不能去见你，
明天一整天我都很忙。
"手头有很多事要做" 可以说：
“I have a lot of things to do.”
另外有一个更口语化的表达：
"have（get） one's hands full "
指非常忙，手头有很多事要做
例：
He can't help today ，
because he has his hands full.
他今天帮不了忙，
因为他手头有很多事要做。
Could I talk to you later?
I've got my hands full right now.
我能晚点跟你说吗？
我现在手头有好多事儿。
别人对你说 "I have a thing for you"
不要以为是“有东西要给你”
而是他/她对你“有好感；有点意思”
例：
He has a thing for you.
他对你有点意思。
They have a thing for each other.
他们之间有点感觉。
"It's my thing" 的意思是：
“我擅长的；我的兴趣爱好”。
例：
Painting is my thing.
画画是我擅长的事。
That's his/her thing.
那是他/她的强项。
"a whole thing" 不是“一整件事情”
而是指容易引起争议的“复杂的情况”
例：
A: I forgot to invite Penny to the wedding,
and now it's a whole thing.
我忘记邀请Penny来参加婚礼了，
现在情况变得复杂了起来。
B: Oh man. Is she mad at you?
天啊，那她生你的气了吗？
今天的内容都学会了么？
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