bon voyage /ˌbɑːnvoɪˈɑːʒ/ noun Learner's definition of BON VOYAGE
[noncount]
: 2farewell 1 —
usually used to say that you hope someone who is leaving on a trip will have a good journey通常用于表达希望某人旅途愉快 -
People in the crowd shouted “Bon voyage!” as the ship left the dock.当船驶离码头时，人群中的人们高喊：“旅途愉快！”
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Bon voyage. Have a safe trip.旅途愉快，一路平安。
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We went with him to the station to wish/bid him bon voyage.我们送他去车站，祝他旅途愉快。