偏心眼

bias / partiality / to be partial

to lean / to slant / oblique / prejudiced / to deviate from average / to stray from the intended line / stubbornly / contrary to expectations

partial / biased / prejudiced / eccentric

heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]

heart / intention / conscience / consideration / cleverness / tolerance

eye / small hole / crux (of a matter) / CL:隻|只[zhi1],雙|双[shuang1] / classifier for big hollow things (wells, stoves, pots etc)