如何在一个模式（crm）和用户（cus）中的一个表上撤消更新授权

i have lots of table in one schema with given grant(select,update,insert,delete) And now i want to remove the update grant on the attendence table how can i do schema(crm) user(cus) table(attendence) DB (dev)i have lots of table in one schema with given g