留
心
眼
儿
l
i
ú
x
ī
n
y
ǎ
n
r
Definitions
1. to be on the alert
2. to keep one's eyes open
Components
留心
liú xīn
–
to be careful
眼
yǎn
–
eye
儿
r
–
non-syllabic diminutive suffix