しつけるの

disciplining; training

→ しつける
phrase Rare #40,268
disciplining; training The verb しつける means “to discipline” or “to train,” especially children or animals. の nominalizes the verb, turning it into “disciplining” or “training.”
JA: 犬をしつけるのは時間がかかります。
EN: Training a dog takes time.

犬をしつけるの容易ではない

Training a dog is not easy.

しつけるのお願いやめて

I’m disciplining him, so please stop!

— どん底作家の人生に幸あれ! (2019)

彼は子供をしつけるの厳格だった

He was strict when disciplining his children.

犬をしつけるのって簡単じゃないんだよ

Training a dog isn't easy, you know.