/prəˈpɔ:ʃn ||; prəˈpɔrʃən/noun1 [C] a part or share of a whole 部份；份儿: A large proportion of the earth's surface is covered by sea. 地球表面大部份都由海洋覆盖。
2 [U] proportion (of sth to sth) the relationship between the size or amount of two things （两物在大小或数量上的）比，比例: The proportion of men to women in the college has changed dramatically over the years. 该学院的男女生比例这些年来变化很大。
3 proportions [pl] the size or shape of sth 大小；形状；规模: a room of odd proportions 形状古怪的房间Political unrest is reaching alarming proportions. 政治动乱快达到令人忧虑的地步。
in proportion the right size in relation to other things 符合比例；相称:
to draw sth in proportion 按实物的正确比例画出某物She's so upset that it's hard for her to keep the problem in proportion (= to her it seems more important or serious than it really is). 她很懊恼，难以恰如其分地看待那问题（把问题看得比实际严重）。 in proportion to sth 1 by the same amount or number as sth else; relative to 与…成比例；与…相称: Salaries have not risen in proportion to inflation. 薪金没有按照通货膨胀率上调。
2 compared with 与…相比: In proportion to the number of students as a whole, there are very few women. 与学生总人数相比，女生只属极少数。
out of proportion (to sth) 1 too big, small, etc in relation to other things （因大小等与其他事物）不相称，不成比例
2 too great, serious, important, etc in relation to sth （与其他事物相比）显得过大、过分严重或过分重要等: His reaction was completely out of proportion to the situation. 他对情况的反应完全是小题大作。