出国顺利用英语怎么说

你可以用 "Everything went smoothly during my trip abroad." 来表示出国旅行顺利。
"Smoothly" 是一个形容词，意思是顺畅地、平稳地。这个词通常用来描述事情进行得顺畅或平稳，例如：
The presentation went smoothly. (演讲进行得很顺畅。)
The negotiation was completed smoothly. (谈判顺利完成。)
"Trip" 是名词，意思是旅行。这个词通常用来描述人到某地旅游或出差，例如：
I'm going on a business trip to New York next week. (下周我要出差到纽约。)
My family and I took a trip to Hawaii last summer. (去年夏天我和我的家人去了夏威夷旅游。)
"Abroad" 是副词，意思是到国外。这个词通常用来描述人或物体在国外，例如：
I'm studying abroad next semester. (下学期我要到国外学习。)
He's been living abroad for the past five years. (他在国外生活了五年。)