留心

(v) take care; be mindfull

mind

keep one's eyes open

keep both eyes open

look out for

on the watch

precaution

seeing to

preserve

heed

notice

be mindful of

ware

with caution

on the ball

mindful

keep both eyes peeled

留心[liúxīn]

-becareful;takecare:
listenattentivelytoalecture;留心听讲
Watchyourstep！留心路滑！

我跟你说话的时候，你要留心听！
Pay attention when I'm talking to you!

你必须留心脚下才不会跌下去。
You must watch your step so as not to fall down.

留心那级台阶，它有点松动了。
Mind that step; it's loose!

不小心的未给予应有的注意小心或关注的；不留心的
Failing to give due heed, care, or attention; inattentive.