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.
All the work I've been putting into this project has been all or nothing because my boss is shutting it down.