岸 然 àn rán : solemn; serious

暴 病 bào bìng : sudden attack of a serious illness

病 魔 bìng mó : serious illness

病 勢 bìng shì : degree of seriousness of an illness; patient's condition

不 得 了 bù dé liǎo : desperately serious; disastrous; extremely; exceedingly

不 要 緊 bù yào jǐn : unimportant; not serious; it doesn't matter; never mind; it looks all right; but

慘 [惨] cǎn : miserable; wretched; cruel; inhuman; seriously; badly; tragic

Big5: , Unicode: 6158 (慘),
Links: MT, Cantonese, Ld, Chinese Language

沉 重 chén zhòng : heavy; hard; serious; critical

篤 [笃] dǔ : serious (illness); sincere; true

Big5: , Unicode: 7be4 (篤),
Links: MT, Cantonese, Ld, Chinese Language

加 重 jiā zhòng : make more serious

俳 pái : irresolute; not serious; variety show

Big5: , Unicode: 4ff3 (俳),
Links: MT, Cantonese, Ld, Chinese Language

認 真 rèn zhēn : earnest; serious; take seriously; take to heart

嚴 [严] «厳» yán : (air or water) tight; stern; serious; strict; severe

Big5: , Unicode: 56b4 (嚴),
Links: MT, Cantonese, Ld, Chinese Language

嚴 重 yán zhòng : grave; serious; severe; critical

嚴 重 關 切 yán zhòng guān qiè : serious concern

嚴 重 問 題 yán zhòng wèn tí : serious problem

越 來 越 嚴 重 yuè lái yuè yán zhòng : to become more serious every day

鄭 重 zhèng zhòng : serious

重 zhòng : heavy; serious

Big5: , Unicode: 91cd (重),
Links: MT, Cantonese, Ld, Chinese Language