N2 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ/です, so there are no forms to conjugate.
胸に納める
muneniosamerukeep to oneselfN2expression
Example sentences2
その秘密は自分の胸に納めることにした。
sono himitsu wa jibun no mune ni osameru koto ni shita.
I decided to keep that secret to myself. neutral
それは黙って胸に納めるべきだと思う。
sore wa damatte mune ni osameru beki da to omou.
I think that's something you should just keep to yourself, quietly. neutral