英语：如无意外，货车将于今天下午4点前到达你处。

barring accidents, the truck will arrive at your place before 4 o'clock this afternoon.

barring accidents 如无意外

if all is OK, the truck will arrive at your place before 4:pm this afternoon.

If everything goes well, the van will arrive at your place before 4:00pm today.

2楼正解

If everything is all right, the truck will arrive at your place before 4 p.m. this afternoon.

If there is no accident goods will arrive your place before 4:00 p.m. today .