1. You are a bad influence on my children. or You have a bad influence on my children.2. I don't want his bad influence on my children.3. Most parents worry that their children will be led astray if they live in the dorm.
 are a bad influence on somebody; has a bad influence on somebody lead somebody astray這些都是正統的美語說法，Don't be a bad influence on my son. 意思就是別把我兒子教壞了。
1. 你會帶壞我的孩子.2. 我不想要他帶壞我的孩子.3. 大部分父母認為孩子住在宿舍容易被帶壞.
Being able to speak at the age of one, the boy has unlimited potetial when he grows up.