proportion/ prə'pɔːʃən /

1.noun [of group] [ amount] 
(part) 部分

2.noun [of people] [ things] 
(number) 比例

3.noun [c/u] 
proportion (of sth to sth) (ratio) (某物与某物的)比例

4.n pl [of building] [ design] 
proportions (dimensions) 比例

5.n pl [fig] 
程度

in (direct) proportion to sth
与某事成(正)比
6.n pl
(in relation to) 与某事相称

to keep sth in proportion
如实对待某事
to get sth out of proportion
无根据地夸大某事
to be out of all proportion to sth
完完全全与某事不相称
to have a sense of proportion
具有辨别轻重缓急的能力