drily
adverb (especially British English)(also dryly North American English, British English)
see also dryif somebody speaks drily, they are being humorous, but not in an obvious way 幽默而不形于色地 in a way that shows no emotion 冷冰冰地;冷淡地;不动感情地 in a way that shows that there is no liquid present 干燥地