破例（Adv.） "Make an exception; break a rule"

    破 means "break" and 例 means "rule" or "example". The action described after is an exception or something that rarely happens to the doer.

Examples:
1. 他破例给了小费。
He broke the rule by giving the attendant tips.
2.；老板破例给他打了折。
The boss made an exception by giving him a discount.