表現五段動詞(る)
to withdraw into oneself; to shut oneself away; to seclude oneself
慣用句
彼女は失恋の後、殻に閉じこもって誰とも会わなくなった。
- After her heartbreak, she shut herself in her shell and stopped seeing anyone.
彼は失敗を恐れて、殻に閉じこもって新しい挑戦を避けているようだ。
- It seems like he is afraid of failure, so he is closing himself off and avoiding new challenges.