Ihopeyouapleasantjourney,2,haveagoodtrip.,2,BonVoyage!这是说法来源于法语词，有点矫情
Plain/Smoothsailing.也行，很简单
Wishyouareplainsailing.
Hopeeverythinggoeswell.都成,2,Haveapleasanttrip!,2,Mayyouhaveafinetrip.,2,Wishyouapleasantjourney
就是这么说,2,haveagoodtrip,2,Wishyouapleasantjourney,1,Iwishyouapleasantjourney,1,IWISHYOUAHAPPYVOYAGE
BEAGOODTRAVELLER
MAYAFAVORABLEWINDSENDYOUSAFELYHOME
三个都可以的,1,wishyouagoodjourney,1,Ihopeyouapleasantjourney,0,Haveagoodtrip/journey.,0,googluck!
haveagoodjourney;,0,Haveagoodtrip
一路顺风。
Haveasplendidvoyage.
一路顺风！
Haveafinetrip!
祝你一路顺风。
Mayyouhaveafinetrip.
祝你一路顺风。
Iwishyouafinetrip.
祝你一路顺风！
Haveapleasant...,0,