させちゃダメ
sasecha dame
1. Don't let [it/him/her] do.; Don't allow [it/him/her] to do.
★ Common
Verb
#138314
1. Don't let [it/him/her] do.; Don't allow [it/him/her] to do.
1. suffix for familiar person
1. father
1. (one's) older brother
2. young man; sonny
1. chance; opportunity