flatly
adverb uk/ˈflæt.li/ us/ˈflæt.li/
(WITHOUT EMOTION)
平淡地;乏味地;缺乏热情地
in a way that shows no emotion or interest
The witness responded flatly to the judge's questions. 证人漠然地回答了法官的提问。
(COMPLETELY)
（表示否认、拒绝、不赞同时）斩钉截铁地；直截了当地
If you flatly deny, refuse, or disagree with something or someone, you do it completely or in a very clear and firm way.