- moving in one side and out of the other side of (an opening, channel, or location)穿过, 从…一端到另一端：
as prep. stepping boldly through the doorway大胆地走过门道
as adv. as soon as we opened the gate they came streaming through.我们一打开大门, 他们就蜂拥进来。
- so as to make a hole or opening in (a physical object)断开, 洞穿：
as prep. the lorry smashed through a brick wall货车把砖墙撞出了个洞
as adv. a cucumber, slit, but not right through.切开但尚未切断的黄瓜。
- moving around or from one side to the other within (a crowd or group)（在人群中）穿行：
as prep. making my way through the guests.我在宾客中穿行。
- so as to be perceived from the other side of (an intervening obstacle)穿过（障碍而）出现（或显露）：
as prep. the sun was streaming in through the window阳光透过窗户照耀进来
as adv. the glass in the front door where the moonlight streamed through.月光可透射进来的前门玻璃。
- prep. expressing the position or location of something beyond or at the far end of (an opening or an obstacle)越过（入口, 障碍）：
the approach to the church is through a gate.
穿过一道门就到了教堂。
- expressing the extent of turning from one orientation to another从一端转至另一端：
as prep. each joint can move through an angle within fixed limits.在设定的限度内, 每个接头都可以在某个角度内转动。
- continuing in time towards completion of (a process or period)一直到底; 达到…的末尾; （直至）完成：
as prep. the goal came midway through the second half下半场进行到一半时踢进了球
as adv. to struggle through until pay day.勉强挨到领薪日。
- so as to complete (a particular stage or trial) successfully胜利完成：
as prep. she had come through her sternest test她已经顺利通过了最严格的测试
as adv. I will struggle through alone rather than ask for help.我要独自努力完成, 不请求帮助。
- from beginning to end of (an experience or activity, typically a tedious or stressful one)从头至尾; 从开始至结束, 在整个期间（常指单调、紧张的经历或活动）：
as prep. we sat through some very boring speeches我们坐着从头到尾听完了一些极其乏味的演讲
she's been through a bad time
她度过了一段艰难岁月
as adv. Karl will see you through, Ingrid.英格里德, 卡尔将帮你渡过难关。
- so as to inspect all or part of (a collection, inventory, or publication)从头到尾检查（或查阅）：
as prep. flipping through the pages of a notebook迅速翻阅完整本笔记本
as adv. she read the letter through carefully.她仔细地读完了信。
- prep. N. Amer. up to and including (a particular point in an ordered sequence)〈北美〉直至：
they will be in London from March 24 through May 7.
从3月24日至5月7日他们将待在伦敦。
- prep. by means of (a process or intermediate stage)经由：
dioxins get into mothers' milk through contaminated food.
二英经由污染的食品进入母乳。
- by means of (an intermediary or agent)以, 用; 凭借：
seeking justice through the proper channels.
凭借适当的渠道寻求公正。
- adverb so as to be connected by telephone接通电话：
he put a call through to the Naturalists' Trust Office.
他拨通了宠物信托办公室的电话。
- attrib.(of a means of public transport or a ticket) continuing or valid to the final destination（公共交通, 公共交通票）直达的, 直通的; 联运的, 全程的：
a through train from London.
伦敦发来的直达火车。
- attrib. denoting traffic that passes from one side of a place to another in the course of a longer journey贯穿的, 过境的：
urban precincts from which through traffic would be excluded.
不提供过境交通的市区。
- denoting a road that is open at both ends, allowing traffic free passage from one end to the other（公路）对穿的, 双向的：
the village lies on a busy through road.
村庄位于一条繁忙的贯穿的公路旁。
- attrib.(of a room) running the whole length of a building（房间）与楼两对面通透的。
- predic.(of a team or competitor) having successfully passed to the next stage of a competition（竞赛队, 竞技者）进入下一轮（比赛）的：
Swindon Town are through to the third round.
斯温登队顺利进入第三轮比赛。
- predic. informal, chiefly N. Amer. having no prospect of any future relationship, dealings, or success〈非正式, 主北美〉完结的; 断绝的：
she told him she was through with him
她对他说他们俩的关系结束了
you and I are through.
我和你就此绝交。
through and through
- in every aspect; thoroughly or completely完全, 彻底：
Harriet was a political animal through and through.
哈丽特是个彻头彻尾的政治动物。