粛 - solemn, quietly, softly

self-restraint; voluntary restraint; self-imposed control; self-discipline

grave; solemn; serious

silent

(political) purge

solemnly; respectfully; reverently

humble greeting at the beginning of a letter

cleaning up (political party)

silent; solemn; quiet

travel advisory

strict enforcement

Dear (name)

silent; quiet; solemn