solemnly
🇺🇸
/ˈsɑːləmli/
🇬🇧
/ˈsɒləmli/
in a serious and not playful way
He solemnly promised to be more responsible.
他郑重地承诺要更加负责任。
in a serious and respectful manner
The judge solemnly announced the verdict.
法官庄严地宣布了判决结果。