根據香港僱傭條例，俾人炒魷魚嘅外傭要過冷河，就係話要離開香港一段時間，先可以返嚟香港做嘢。
According to Hong Kong's Employment Ordinance, a foreign domestic helper who is dismissed has to cross the Cold River, which means that he has to leave Hong Kong for a period of time before he can return to Hong Kong to do business.