Indicates anything beyond what has been mentioned; 'more than that', 'anymore', or 'beyond that'. Often used to express limitation (e.g., don't go any further).
これ以上話す必要はない。
There's no need to say any more than this.
給料はそれ以上出せないと会社が言った。
The company said they can't pay any more than that.
この本は成人向けです。それ以上は子供に見せないでください。
This book is for adults. Please don't show it to children beyond that.