英 [rɪˈɡretfəli] 美 [rɪˈɡretfəli]
adv. 懊悔地，遗憾地；抱歉地
with regret (used in polite formulas)
I must regretfully decline your kind invitation
... longingly 渴望地 regretfully 懊悔地 yearningly 怀念地 ...
regretful 后悔的，遗憾的；惋惜的
regrettable 令人遗憾的；可惜的；可悲的；抱歉的
regrettably 遗憾地；抱歉地；可悲地
regret 遗憾；抱歉；悲叹
regret 感到后悔；感到抱歉
regret 后悔；惋惜；哀悼
懊悔地，遗憾地；抱歉地
He shook his head regretfully.
他遗憾地摇了摇头。
Regretfully, some jobs will be lost.
遗憾的是有些人将会失去工作。
'I'm afraid not,' he said regretfully.
他遗憾地说：“恐怕不行。”
said the little gray-haired woman regretfully. "No,no.I was glad to hear it."
VOA : special.2010.05.15
Fluhman writes of this alteration a little regretfully, as a kind of spiritual sellout.
"A lot of people use Windows, " he offers regretfully, as if it were his burden in life to fix that.
Though tempted to break The Economist's shackles of anonymity, he regretfully declined.