（1）mean to do sth.
含义有两个：打算（计划、想、有意）做某事；意味着
例如：I am mean to go the supermarket.我打算去超市。
I didn't mean to hurt you.
我无意伤害你。
I didn't mean to hurt her, only to keep her still.
我不是故意要弄痛她，只是想让她别乱动。
Did you mean to leave your dog here?
你是不是故意把你的狗丢在这里呢？
I didn't mean to break his nose. I just saw red.
我不是故意要打断他的鼻梁。我只是一时气急。
They mean to share the business between them, after you yourself are gone, Sir.
先生，他们两个打算等您本人离开后瓜分这个企业。
Oh, sorry, I didn't mean to tread on your foot.
哦，对不起，我不是故意踩你脚的。
I don't mean to keep criticising his devotion to his job.
我并不是要一再批评他对工作的专注。
Summer is the perfect time to catch up on the new books you meant to read.
夏天是把想读却没读的新书恶补一下的最佳时机。
His father meant him to be an engineer.
他父亲想让他当工程师。
She means to succeed.
她一意求成。
I'm sorry I hurt you. I didn't mean to.
对不起，弄疼你了。我不是故意的。
I'm sorry, I didn't mean to hurt you.
对不起，我不是故意伤害你的。
I didn't mean to hurt your feelings.
我不是故意伤害你的感情。
'I didn't mean to upset you,' he said mildly.
他和颜悦色地说：“我并不是想扫你的兴。”
I didn't mean to leave her name off the list; it was an oversight.
我不是有意在名单上漏掉她的名字的，这是个疏忽。
Sorry, I didn't mean to frighten you.
对不起，我没有吓唬你的意思。
I didn't mean you to read the letter.
我没打算让你看那封信。
I'm feeling very guilty─ I've been meaning to call my parents for days, but still haven't got around to it.
我感到非常内疚——几天来我一直打算给父母打电话，但还是没抽出时间打。
I don't mean to stickybeak, but when is he going to leave?
我不是要多管闲事，但是他什么时候要离开呢？
I didn't mean to break it ─ it was an accident.
我不是故意打碎它的——这是个意外。
Please continue ─ I didn't mean to interrupt.
请继续往下说，我并非有意打断你的话。
I mean to look after my body.
我得多注意身体。
She didn’t mean to break your heart.
她没有想过要伤你的心。
I don't think people should make promises they don't mean to keep.
我认为人们不应作出自己无意信守的承诺。
其过去式还含有“本来打算做某事但是实际没有做”之意思，但是过去完成时也表示这个意思，并占主流表达：
I mean to give you this book today, but I forgot. 我本来打算今天给你这本书的，可是我忘了。
She had meant to make a discreet entrance, but conversation stopped dead.
她本打算悄悄进去，但谈话却突然中断了。
Do you have any idea what it means to be poor?
你知不知道贫穷意味着什么？《牛津高阶英汉双解词典》
（2）mean doing sth.
含义只一个：意味着…… 例如：
There are many clouds in the sky that mean raining.
天空中乌云密布，意味着要下雨了。
This new order will mean working overtime.
这新订单一来，我们就得加班加点。
The injury could mean him missing next week's game.
这次受伤可能使他无法参加下周的比赛。
Doing one thing well doesn’t mean doing exactly one thing.
做好一件事并不意味着仅仅做一件事。
Missing this train means waiting for another hour.
错过这辆火车意味着你得再等一小时。