grave; solemn; serious; harsh (e.g. truth); hard; strict
① 自ら進んで慎むこと。意識してあることをしないようにすること。
silent; quiet; solemn; softly; quietly; solemnly
solemnly; respectfully; reverently; quietly; softly; silently
refraining from going outside; staying indoors
cleaning up (political party)
humble greeting at the beginning of a letter