心眼兒

one's thoughts / mind / intention / willingness to accept new ideas / baseless suspicions

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)

child / son

non-syllabic diminutive suffix / retroflex final

stubborn / obstinate / having a one-track mind

small-minded / petty / narrow-minded

to be on the alert / to keep one's eyes open

erhua variant of 缺心眼[que1 xin1 yan3]