Đứng đắn, nghiêm trang

Nghiêm trọng, trầm trọng, nặng

Thật sự, không đùa

adverb

actively , all joking aside , cool it , cut the comedy , determinedly , down , earnestly , fervently , for real , gravely , in all conscience , in all seriousness , in earnest , intently , passionately , purposefully , resolutely , sedately , simmer down * , sincerely , soberly , solemnly , sternly , straighten out , thoughtfully , vigorously , with a straight face , with forethought , with sobriety , zealously , acutely , badly , decidedly , deplorably , distressingly , grievously , harmfully , intensely , menacingly , perilously , precariously , quite , regrettably , severely , sorely , threateningly , very

adverb

funnily , lightly , casually , minor , trivially