through,英语单词,主要用作介词、副词、形容词,作介词时意为“穿过,从一端到另一端;断开,洞穿;穿行;越过;透过……看到;隔着……听到;一直到底; 自始至终;从头到尾检查;通过(障碍、阶段或测试);直至;经由;凭借”;作副词时意为“从一端到另一端;通过;从头至尾;通过; 直达;径直;(电话)接通着;彻底”;作形容词时意为“直达的;联运的,全程的;直通的;贯穿的,过境的;对穿的,双向的;与楼两对面通透的;进入下一轮的;完结的;(使用)完成,结束;(关系)了结,断绝”。
through介绍
through,英语单词,主要用作介词、副词、形容词,作介词时意为“穿过,从一端到另一端;断开,洞穿;穿行;越过;透过……看到;隔着……听到;一直到底; 自始至终;从头到尾检查;通过(障碍、阶段或测试);直至;经由;凭借”;作副词时意为“从一端到另一端;通过;从头至尾;通过; 直达;径直;(电话)接通着;彻底”;作形容词时意为“直达的;联运的,全程的;直通的;贯穿的,过境的;对穿的,双向的;与楼两对面通透的;进入下一轮的;完结的;(使用)完成,结束;(关系)了结,断绝”。

through单词用法
根据《柯林斯英汉双解大词典 》:
PREP To move through something such as a hole, opening, or pipe means to move directly from one side or end of it to the other. 穿过ADV Through is also an adverb. 穿过 PREP To cut through something means to cut it in two pieces or to make a hole in it. (切) 开; (钻) 透ADV Through is also an adverb. (切) 开; (钻) 透 PREP To go through a town, area, or country means to travel across it or in it. 穿越 (城镇、地区或国家)ADV Through is also an adverb. 穿越 PREP If you move through a group of things or a mass of something, it is on either side of you or all around you. 穿过 (人群或物体)ADV Through is also an adverb. 穿过 PREP To get through a barrier or obstacle means to get from one side of it to the other. 越过 (障碍)ADV Through is also an adverb. 越过 PREP If a driver goes through a red light, they keep driving even though they should stop. 闯 (红灯)PREP If something goes into an object and comes out of the other side, you can say that it passes through the object. 穿过 (物体内部)
ADV Through is also an adverb. 穿过 PREP To go through a system means to move around it or to pass from one end of it to the other. 通过 (系统)ADV Through is also an adverb. 通过 PREP If you see, hear, or feel something through a particular thing, that thing is between you and the thing you can see, hear, or feel. 透过PREP If something such as a feeling, attitude, or quality happens through an area, organization, or a person's body, it happens everywhere in it or affects all of it. 贯穿; 遍布
through短语搭配
go through 参加;经受;仔细检查;被通过
all through 一直;始终
through with 完成
through and through 完全,彻底;彻头彻尾地
through it all 一路走过(歌词);经过所有(歌词)
through双语例句
He breezed through the tests.
他轻松顺利地通过了这些测试。

I looked through the keyhole.
我通过钥匙孔向里看。
The track led us through a wood.
我们沿着那条小道穿过了树林。