I'd like to propose a toast.我提议敬一杯酒。
I'd like to propose a toast to all of you.我提议大家为所有人干杯。
May I have your attention,please?I'd like to propose a toast to Harry.
请大家听我说,提议大家为哈利干一杯。
I'd like to propose a toast to our new secretary Mary,welcome on board.
我想请大家为我们的新秘书玛丽干杯,欢迎加入我们。