One-sided

一面倒

yīmiàndǎo

(with one competitor dominant over the other)

不成比例

bùchéngbǐlì

(out of proportion or lopsided)

偏側生 /偏侧生

((botany) turned to one side)

偏向一側 /偏向一侧

piānxiàng yī cè

((botany) turned to one side)

偏袒

piāntǎn

(partial or biased in favour of one faction)

偏頗 /偏颇

piānpō

(partial or biased in favour of one faction)

單側 /单侧

dāncè

(having only one side)

單面 /单面

(having only one side)

失衡

shīhéng

(out of proportion or lopsided)