1. 我這些信必須隨明天首批郵件寄出。
   I must get these letters off by the first post tomorrow.
2. 星期一我已把信用快遞寄出。
   I sent the letter first class on Monday.
3. 你把那封信寄出去了嗎？我還想再附上一句話
   Have you sent that letter off yet? There's something I want to add to it.
4. 你的求職申請書寄出去了嗎？
   Have you sent in your application for the job?
5. 請務(wù)必把這些包裹立即寄出。
   Please see that these parcels are sent off at once.

寄的英語翻譯：

出的英語翻譯：