be underway
underway 作表语，说明活动已开始并持续进行，不用于名词前。
The building project is underway.
这个建筑项目正在进行中。
进行中；在旅途中
in progress; already started and being carried out, or moving along on a journey
常与 be 动词连用，如 be underway，表示某事已开始并正在进行
进行中；在旅途中
In motion, in progress; being done or carried out; on a journey.
The meeting was already underway when I quietly took my seat.
我悄悄坐下时，会议已经在进行了。
用法提示：underway 作副词，表示“正在进行中”。
The ship was finally underway after the storm passed.
暴风雨过后，船终于启航了。
用法提示：underway 作副词，表示“在途中、已启航”。
Construction of the new library is underway and should be finished next year.
新图书馆的建造正在进行中，预计明年完工。
用法提示：underway 作副词，表示“在进行中”。
underway 作表语，说明活动已开始并持续进行，不用于名词前。
The building project is underway.
这个建筑项目正在进行中。
get underway 表示开始进行，强调从准备阶段进入实施阶段。
The concert got underway at 7 p.m.
音乐会晚上七点开始了。
for 后面接正在筹备的事项或活动。
Preparations are underway for the election.
选举的准备工作正在进行中。
grammar · medium
易错句子The meeting is being underway now.
正确表达The meeting is underway now.
underway 本身表示“进行中”的状态，已经是 be + 表语的结构，不能再加 being 变成进行时；汉语“会议正在被进行中”式的类推会多出 being。
grammar · medium
易错句子The meeting underway now.
正确表达The meeting is underway now.
英语的句子必须有系动词，underway 在这里作表语，前面要加 be 动词；汉语“会议进行中”不需要动词，所以容易漏掉 is。
grammar · medium
易错句子This is an underway project.
正确表达This project is underway.
underway 是副词，只能作表语，不能像形容词那样放在名词前作定语；要表达“进行中的项目”可改用 ongoing，或把结构改为 be underway。
开始进行；启动
The meeting got underway at nine.
会议九点开始进行。
正在进行中
Renovations are underway at the library.
图书馆的翻修工程正在进行中。
进展顺利；已进行到相当程度
The project is well underway.
这个项目已经进展得很顺利。
已经在进行中
The investigation was already underway when we arrived.
我们到达时，调查已经在进行中。
目前正在进行
Several studies are currently underway.
目前有几项研究正在进行中。
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