今天我破例迟到了一会儿。

jīntiān wǒ pòlì chídàole yīhuì'er.

Today, I was unusually late for a while.

他破例准许了我的请求。

tā pòlì zhǔnxǔle wǒ de qǐngqiú.

He made an exception and granted my request.

他因为特殊情况破例返校。

tā yīnwèi tèshū qíngkuàng pòlì fǎnxiào.

He returned to school as an exception due to special circumstances.