for him to say; to tell him
I'm not going to tell him.
Том был пьян и сказал кое-что, чего ему говорить не следовало.
Tom was drunk and said something he shouldn't have said.
Нам не следовало ему говорить.
We shouldn't have told him.
Why should I tell him?
Может быть, вам не стоит ему говорить.
Maybe you shouldn't tell him.
Не вижу необходимости ему говорить.
I don't see any need to tell him.
Why should I tell him?
Why should I tell him?