1 B2 慣用的 ニュートラル
他人の助けや支えなしで、自分の生活・必要なこと・生きることを自分で何とかする。
"When her parents moved abroad, she had to fend for herself for the first time."
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Children need to learn to fend for themselves.
— Common expression widely cited in parenting literature; no single definitive source.