留心眼儿

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

old variant of 留[liu2]

to leave (a message etc) / to retain / to stay / to remain / to keep / to preserve

old variant of 留[liu2]

to be careful / to pay attention to

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)

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

variant of 人[ren2] / "person" radical in Chinese characters (Kangxi radical 10), occurring in 兒, 兀, 兄 etc

child / son

non-syllabic diminutive suffix / retroflex final