[zài]
[动]
（存在； 生存） exist; be living
The spirit still exists.
精神永在。
Both of my parents are living now.
我父母健在。
（表示人或事物的位置； 留在） stay; remain
be in one's power
在领导岗位
My parents are in Beijing.
我父母在北京。
Your book is on the table.
你的书在桌子上。
（参加； 属于） join or belong to an organization; be a member of an organization
join an organization
在组织
（在于； 决定于） depend on; lie in; rest with
Human effort is the decisive factor.
事在人为。
The uprising or downfalling of an enterprise lies in its management or administration.
企业兴衰主要在经营管理。
The success or failure of the matter depends on your own effort.
事情的成败在你自己的努力。
[副]
（正在） in process of; in course of
All are changing.
一切都在变。
The teacher is preparing the lesson.
老师在备课。
They're having a chat.
他们在聊天。
[名]
（姓氏） a surname
Zai Yu
在育