To train or discipline someone (or an animal), especially to teach manners or proper behavior.
両親は子どもに公共の場でのマナーをしつけるべきだ。
Parents should teach their children manners in public.
犬をしつけるには根気と一貫性が必要だ。
Training a dog requires patience and consistency.
幼いうちからしつけることで、子どもは礼儀正しく育つ。
By disciplining children from a young age, they grow up polite.