xiǎo
xīn
1
to be careful
2
to take care
这个人不老实,小心被骗。
This person isn't honest, be careful not to be cheated.
下雨天要小心地滑。
Be careful not to slip on rainy days.
路上很多车,要小心过马路。
There are many cars on the road, so be careful when crossing the street.