regretfully
/rɪˈɡretfəli/
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25514
GRE
Regretfully is when you're full of regret, like if you decided to stay home and your friends saw your crush at the dance.
adverb [方式副词] 懊悔地，遗憾地；抱歉地
He shook his head regretfully. 他遗憾地摇了摇头。
