Be careful while crossing the road.
过马路的时候要小心一些。
Watch out for cars while crossing the road.
过马路时注意汽车。
You can't be too careful while crossing the road.
当过马路时，你再小心也不为过。
The old woman was knocked down while crossing the road.
句子仿造那位老妇人在过路时被车撞倒了。
There are many cars on the road. Be careful while crossing the road.
街上有许多汽车，过马路时要小心。
There are many cars on the road. Be careful while crossing the road.
街上有许多汽车，过马路时要小心。
应用推荐