Definition
This idiom indicates that someone will be punished due to a negative event.
将有人遭到惩罚。
After this major blunder, heads will certainly roll.
在这个重大失误之后，肯定会有人受到惩罚。
If we don't finish this project on time, heads will roll, for sure.
如果我们没有按时完成这个项目，肯定会有人受到惩罚。
The CEO has made it clear that if this happens again, heads will roll.
CEO已经明确表示，如果这种情况再次发生，肯定会有人受到惩罚。