Translation

• (of an atmosphere etc) solemn
• grave
• serious
• (of a manner etc) earnest
• severe
• exacting
• to strictly enforce

Synonyms

• 一本正经, 不苟言笑, 严厉, 严峻, 义正辞严, 俨然, 凛, 凛然, 凛若冰霜, 厉声, 声色俱厉, 愀然, 正气凛然, 正色, 正襟危坐, 正颜厉色, 疾言厉色, 肃, 肃然
• 严正, 俨, 俨然, 威严, 尊严, 庄严, 庄重, 整肃, 盛大, 肃穆, 谨严

Examples

• 对事情比较正经严肃。
  Take things a little more seriously.