a. 低劣的, 卑贱的, 简陋的, 吝啬的, 惭愧的, 平均的, 中间的, 普通的vt. 意谓, 想要, 意欲, 预定vi. 用意, 有意义n. 平均数, 中间, 中庸【医】 平均数, 均值【经】 平均值, 平均数; 意谓相关词组: take a mean course By...we mean What do you mean by...? no mean something mean business mean well
1．mean可以用作及物动词，意为：意欲，计划。如：
I meant this photo for my mother.我准备把这张照片送给我的妈妈。
Sorry, we are late. But we had meant to be early.
对不起，我们迟到了，但是我们本来是想早来的。
I mean you to spend this money for your daughter.
我是想让你用这笔款为你女儿买些东西的。
Is this picture meant for me?这张画儿是打算给我的吗？
What does he mean to do?他想干什么？
2．mean还可以表示“使有可能，预示”的意思。如：
This snow means no sport this afternoon.
这场雪使今天下午的体育活动搞不成了。
3．mean还可以指“（字、句等）意指，意味”的意思。如：
Lights out by midnight! I mean it!
12点之前把灯关了！我说真的！
The mean girls always made fun of her.
这些可恶的女孩儿总是取笑她。
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expense 和 expenditure 的区别：
expenditure 正式用语，多用在如 “政府开支， 国防开支 〞等正式词语中。
expense 普通用语，但也可以做正式书面语。
例句： Expense allowances are apt to mean fiddling .
开销津贴容易造成弄虚作假。
ADJ-GRADED. 高级的;上等的;一流的;优质的. If you describe something as high-class, you mean that it is of very good quality or of superior social status.
I mean, it is quite certain?
我意思是说这消息很可靠吗？
※Music is the only language in which you cannot say a mean or sarcastic thing.John Erskine, American educator——音乐是唯一不能用及表达卑鄙的或讽刺的事物的语言。美国教育家 厄斯金 J
※We should so live and labor in our time that what came to us as seed may go to the next generation as blossom, and what came to us as blossom may go to them as fruit. This is what we mean by progress.( H. W. Beecher )—— 我们一生应该这样地生活和劳动，使给予我们的种子能在下一代开花，使给予我们的花朵能在下一代结果，这就是我们所说的进步的意义。（比彻）
※Educaton does not mean teaching people to kow what they do not know ; it means teachng them to behave as they do not behave.John Ruskin, British art critic——教育不在于使人知其所未知，而在于按其所未行而行。英国艺术评论家 园斯金 J
※When I say I know women, I mean I know that I don't know them. 当我说我了解女人时，我的意思是我知道我并不了解她们。
