Explanation
Expresses the idea that it is better not to do something.
Formation
Verb-negative form + ほうがいい
Detailed explanation
The ないほうがいい grammar point is used to suggest that it's better not to do a certain action. It is formed by taking the negative form of the verb and adding ほうがいい.
Examples
この薬は飲まないほうがいいです。
Kono kusuri wa nomanai hou ga ii desu.
It's better not to take this medicine.
急いでいるときは、走らないほうがいい。
Isoide iru toki wa, hashiranai hou ga ii.
When you're in a hurry, it's better not to run.
彼に秘密を知られたくなければ、話さないほうがいい。
Kare ni himitsu o shiraretakunakereba, hanasanai hou ga ii.
If you don't want him to know your secret, it's better not to tell him.
雨の日には、外出しないほうがいい。
Ame no hi ni wa, gaishutsu shinai hou ga ii.
It's better not to go out on a rainy day.
Practice
Grammar content sourced from hanabira.org.