例句：
今天能在這里歡迎您是我極大的`榮幸。
It gives me great pleasure to welcome you here today.
這是我做過的最難的事情之一。
It was one of the hardest things I ever did.
這正是我一直在期待的機會。
This is just the opportunity I've been waiting for.
那是我一生中最快樂的一段時光。
That was one of the happiest moments of my life.