第1个回答 2014-07-24
Look out!Don't bump into those children.
第2个回答 2014-07-24
Be careful!Don't hit the children.
第3个回答 2014-07-24
watch out!don't hit those children!
第4个回答 2014-07-24
Be careful! Don't hit the children.
第5个回答 2014-07-24
Watch out! Don`t hit those children!