Both had much cause to be grateful for the secretiveness of government in Britain.双方都有充分的理由对英国政府的行事隐秘深表感激。I'm obliged to you for all the trouble you've taken.您出了这么多力，我深表感激。He was deeply appreciative of your kindness.他对你的善意深表感激。She was deeply appreciative of your help.她对你的帮助深表感激。