严肃

Traditional form:

嚴肅

Pinyin (reading):

yánsù

Definitions:

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

Characters:

• 严 - strict, rigorous, rigid; stern
• 肃 - to pay respects; solemn, reverent

Traditional characters:

• 嚴 - strict, rigorous, rigid; stern
• 肅 - to pay respects; solemn, reverent