"一路顺风"英文是：Have a good trip.
1、trip
英 [trɪp] 美 [trɪp]
n.旅游，出行;摔倒，绊倒;绊（使某人跌倒的动作）;错误，过失
vi.旅行;绊倒，绊;轻快地走，跳
vt.使犯错误;松开（离合器等）以开动
第三人称单数： trips 复数： trips 现在分词： tripping 过去式： tripped 过去分词： tripped
2、例句：
Have a good trip!; Bon voyage!
一路平安！
Have a good trip! or Bon voyage!
一路顺风！
I can have a good trip now!
我可以有一个愉快地旅行了！
I think you are also very interesting to have a good trip, yes or not?
我想你也很有趣，祝你一路顺风，“是”或不是吗？
I hope you have a good trip to Singapore.
我希望你去新加坡的旅途愉快。
Take care and so long. I hope you have a good trip.
朋友保重我希望你一路顺风。
Bart: I hope you have a good trip, too.
我希望你也玩得开心。
So, I must say goodbye to you, and have a good trip!
那么，我必须跟你道别了，祝你旅途愉快！
Well, I hope you have a good trip. I'd like to visit Guangzhou myself one day.
哦，我希望你旅行愉快。将来我也想去广州。
After finishing my work I must have a good trip.
等我完成工作，我一定好好游览一下。