指数

zhǐ shù      

Index (the standard by which the level of sth can be judged or measured)

承受

chéng shòu    

To bear (pressure, etc.)

均值

jūn zhí

The mean of several figures

勉强

mián qiǎng      

Reluctantly, grudgingly, barely

(*note that this word does not have an equivalent in English and it also has other meanings)

持平

chí píng     

保持水平 （保持一样）

两极分化

liǎng jí fēn huà      

To polarize (e.g. 贫富两极分化 to polarize between the rich and the poor)

特困

tè kùn       

特别贫困

增幅

zēng fú     

增长幅度

双重

shuāng chóng       

Double