yī​miàn​dǎo

lopsided

一面倒 yī​miàn​dǎo
lopsided verb
overwhelmingly dominant on one side, especially describing a competition or situation where the balance is heavily skewed
partisan adverb
showing complete bias or taking a side exclusively, often in regards to public opinion or political stance

Frequency

Written text
0.266 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)