be through with sth
表示完成或结束某事。
I am through with this project.
我做完这个项目了。
到底；从头至尾
从一侧到另一侧；通过一个阶段并进入下一个阶段或水平；从头到尾,或从当前位置到结束；自始至终的；贯穿某物；一直穿过或进入
through
从一侧到另一侧
From one side of something to the other.
通过一个阶段并进入下一个阶段或水平
So as to pass a stage in a process and proceed to the next stage or level.
从头到尾,或从当前位置到结束
From beginning to end, or from the present position to the end.
自始至终的
from beginning to end
贯穿某物；一直穿过或进入
Throughout something; all the way across or into.
以便连接或到达
So as to connect or reach.
I read the book through and returned it to the library.
我把这本书从头到尾读完了，然后还给了图书馆。
用法提示：此句中 through 是副词，修饰 read，表示动作从头到尾完成。
AI contextual example
She followed through with her promise and called me the next day.
她履行了自己的承诺，第二天给我打了电话。
用法提示：此句中 through 是副词，与 follow 构成短语动词，表示‘履行、完成’的意思。
AI contextual example
Once you start the training, you should see it through to the end.
一旦开始培训，你就应该把它坚持到底。
用法提示：此句中 through 是副词，在 see...through 中表示‘坚持完成’。
AI contextual example
表示完成或结束某事。
I am through with this project.
我做完这个项目了。
经历或忍受（困难等）。
She went through a lot during the war.
战争期间她经历了很多。
成功联系上某人。
I finally got through to him on the phone.
我终于打通了他的电话。
完全地，彻底地。
He is a gentleman through and through.
他彻头彻尾是个绅士。
在表示'彻底'时最通用；可与through互换，但through更口语化
强调细致全面；替换through时需注意语境
强调整体性；在强调'全部'时替换through较自然
grammar · medium
易错句子I went though the tunnel.
正确表达I went through the tunnel.
Though和through拼写相近但意思不同；though意为'尽管'，through意为'穿过'。此处需用介词through表示空间穿越。
grammar · medium
易错句子We did a through cleaning.
正确表达We did a thorough cleaning.
Thorough意为'彻底的'，而through是介词或副词。此处需要形容词thorough修饰cleaning。
作为副词，'through'可表示'完全地，从头至尾'，其反义词为'incompletely'，表示'未完成地，不完全地'。
through 是介词或副词，表示‘穿过’或‘完成’；thorough 是形容词，表示‘彻底的、全面的’，拼写相近但发音不同（-ough 发音不同）。
through 侧重空间或时间的贯穿；though 是连词或副词，表示‘虽然’或‘然而’，拼写相近但发音不同（-ough 发音不同）。
through 作为副词常表示‘从头到尾’或‘完全’；throughout 作为介词或副词强调‘在整个期间或整个范围’，比 through 更强调全覆盖。
经历；遭受
She went through a lot of difficulties.
她经历了很多困难。
成功；渡过
He came through the surgery well.
他顺利度过了手术。
完成；通过
I need to get through this report by Friday.
我需要在周五前完成这份报告。
仔细考虑
Let me think through the problem carefully.
让我仔细考虑这个问题。
通读
Please read through the instructions before starting.
开始前请通读说明。
表示穿过或经过某处，与'through'的穿越含义相关
强调从头至尾做完，与'through'的'到底'含义相关
涉及穿越或经历整个过程，与'through'的穿越概念相关
典型需要'穿过'的物体，体现through的物理穿越
指从开始到结束的经过，与through的贯穿意义相关
患难与共
They've supported each other through thick and thin.
他们一直患难与共相互支持。
通过小道消息
I heard through the grapevine that she's moving to New York.
我从小道消息听说她要搬到纽约。
完全地；十足地
He is a loyal friend through and through.
他是一个十足忠诚的朋友。
我虽然行过死荫的幽谷，也不怕遭害。
Though I walk through the valley of the shadow of death, I will fear no evil.
我虽然行过死荫的幽谷，也不怕遭害。
Dictionary facts from ECDICT, WIKTIONARY.