Have you sent in your application yet?
你把申請書寄去了沒有？
Please send the letter on to my new address.
請把信件轉寄到我的新地址。
She sent to say that she was coming home.
她托人捎話說她要回家了。
The people we met in France have sent us a card.
我們在法國結識的人給我們寄來了一張賀卡。
I'd like to send this express, please.
勞駕，我要寄快遞。