n (1)大小，尺寸，体积，规模，身材(physical dimensions，proportions or extent of sth)[C，U]：compare the～s of two things 比较两样东西的大小;double its～使它扩大一倍;exceed the middle～超过中等规模;take the～of... 量……的尺寸;be about the～of a... 约……般大小;the～of a delegation/an army 一个代表团/一支军队的规模;the average～平均大小;a stone (an animal)of enormous/great/huge/large/small～巨大/非常大/巨大/大/小的石头(动物);houses all of the same～大小都一样的房子;a picture of life～如真人一般大的画;a room of moderate～不大不小的房间;a dictionary of pocket～袖珍词典;people of all shapes and～s 各种体型的人;He is about your～. 他的身材和你差不多。beyond the natural～超过实物的大小;increase in～增加体积;The bird is equal in～to a turkey. 那只鸟同火鸡一样大。

(2)尺码，号(any of a series of standard dimensions with which certain items are made)[C]：What～do you take/wear/want? 你穿/穿/要多大尺码的? I take～nine gloves. 我戴九号的手套。all～s of shoes 各种尺码的鞋;This is about the right～. 这尺码差不多。She gave me the wrong～. 她给我拿错尺码了。We have it in several～s. 这种商品我们有好几种尺码。This hat is two～s too big. 这顶帽子大了两号。Try this coat on for～. 穿上这件上衣试试尺寸是否合适。boys'/girls'/children's/men's/women's～s 男孩/女孩/儿童/男士/女士的尺码;What～shirt do you wear? 你穿多大尺码的衬衣?

(3)实情，真象(actual state of affairs;true situation)[U](infml)：We had failed — that was the～of it. 我们失败了——这就是实情。That's about the～of it. 实情大致如此。He cut his opponent to～by skillful questioning. 他以巧妙的提问使他的对手露出真面目。

vt 按大小排列或分类(arrange or classify according to size)[T+n]：～skirts according to waist measurements 按腰围尺寸摆放裙子;～these balls down 把这些球从大到小排起来;

size up (v adv)判断，估计(vt)：～each other up 相互打量对方;～up a situation 估计形势;

size up to(v adv prep)达到(vi)：He doesn't～up to our expectations. 他没有达到我们的期望。

→′siz(e)able adj 相当大的;′size-up n 估计(量)