YOU SAID:

can lead a horse to water but cant make him drink

INTO JAPANESE

馬を水辺まで連れて行くことはできるが、水を飲ませることはできない

BACK INTO ENGLISH

You can lead a horse to water, but you can't make it drink.

INTO JAPANESE

馬を水辺まで導くことはできますが、水を飲ませることはできません。

BACK INTO ENGLISH

You can lead a horse to water, but you can't make it drink.