(as) comfortable as an old shoe
01
しっくりくる, 気取らず落ち着く
used to describe something that causes one to feel very much at ease
idiom
例
Sitting in his favorite armchair with a good book in hand, he was as comfortable as an old shoe, completely at ease and content.
彼の声は穏やかで聞き慣れていて、とても安心できた。



























