殻に閉じこもる、殻に閉じ籠もる、骸に閉じこもる
からにとじこもる
karanitojikomoru
JMdict entry #2864768
- expressions (phrases, clauses, etc.)Godan verb with 'ru' ending idiomatic expression to withdraw into oneself; to shut oneself away; to seclude oneself
JMdict entry #2864768