今天是你离开的第三天
today is the third day since you have left.
我收到一份惊喜的礼物
i have received a surprise present. or i have received a present that surprised me.
你打了电话给我
you called me.
说你寄了一个包裹给我
(you/i) said you sent a packet to me
问我收到了没有
(you) asked me whether i have received it or not.
当我走出门之际
when i walked out of the door
你就站在我的门前
you were standing right in front of my door
真想不到
i really can't believe it
今天会见到你
(that) i'd see you today.