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to train; to discipline; to teach manners
幼い頃からしつけることで社会性が身につく。
Social skills are developed by disciplining children from an early age.
親は子どもを厳しくしつけた。
The parents strictly disciplined their child.
彼らは子犬をしつけているところだ。
They are in the middle of training their puppy.