Word: 有效期 (yǒuxiàoqī) 有效期 dictionary entry yǒuxiàoqī period of validity; sell-by date Full dictionary entry for 有效期 Example sentences using 有效期 2 sentences, showing page 1 of 1. 护照的有效期还有半年。 Hùzhào de yǒuxiàoqī háiyǒu bànnián. The passport is still valid for another six months. 这张卡的有效期是多久？ Zhè zhāng kǎ de yǒuxiàoqī shì duōjiǔ? How long is this card valid for?