胸を撫で下ろす、胸をなで下ろす、胸をなでおろす
むねをなでおろす
munewonadeorosu
JMdict entry #2528130
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expressions (phrases, clauses, etc.)Godan verb with 'su' ending
to be relieved; to feel relieved
see: 撫で下ろす
JMdict entry #2528130