He walked through customs.是什么意思？

He walked through customs.

他步行通过海关。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

walked

v. 走，步行，散步( walk的过去式和过去分词 )，（鬼魂）出现，陪伴…走，徒步旅

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

customs

n. 关税，海关，习惯( custom的名词复数)，海关；adj. 定做的，专做定货的；

例句
The affair began when customs officials inspected a convoy of 60 tankers...
就在海关关员检查一个60艘油轮的船队时，事情发生了。