have a safe flight是什么意思

一路平安

释义如下：

我来解释一下

双语例句权威例句

Have a safe flight back. 

祝您安全飞抵国门。

Have a safe flight ! 

旅途愉快，一路平安。

Very cool! We Americans are quite envious of your space program, because we don't have one anymore. Best wishes for a safe and successful flight! 

酷毙了，我们美国人对你们的太空项目真是“羡慕嫉妒但不恨”哪！因为我们已经很久没有“来一发”了。祝你们飞行安全顺利。

说旅途顺利比较合适
字面是一路顺风

但用在飞机不合适
因为飞机只能顶着风才能飞，顺风是不能飞的

have a safe flight 

飞行平安 ! 一路平安 !

一路平安safe flight是平安的飞行,这句话说给要乘飞机的人,意思是一路平安。
这里运用了动词have
一、have作实意动词.
1.表示“有”的意思.
Look,I have wings,just like you.
He had fair hair and blue eyes.
〔注1〕：其否定和疑问形式变化,在美国通常用助动词do.
〔注2〕：在英国口语中常用have got代替have.
Look,can’t you see I've got teeth,too.
I haven't got any jewelry.
2.have和一些其他名词连用,表示：
(1)一种活动.
We have no classes on Sunday.（上课）
they’re going to have a volleyball match.（举行比赛）
Are we going to have a meeting this week?（开会）
We are going to have a talk this afternoon.（听报告）
(2)患病.
I have got a headache.
I have a bad cold.

旅途平安