Find and tap the icon on your Apps menu to open Messages. Find the group message thread you want to delete on the list of your recent messages, and open it. It will open a drop-down menu. This will open your message settings for the selected conversation. This will disable all message and member notifications from the selected message thread. You won't receive any push, light or sound notifications from this group anymore.

How would you rephrase that briefly using Chinese?
打开安卓上的“信息“应用程序。 点击要退出的群聊。 点击右上角的⋮按钮。 在菜单中点击参与者名单和选项。 将通知开关滑动到。