zhè / tái / jiù / kōng tiáo / shì / diǎn xíng / de / diàn lǎo hǔ / yī / gè / yuè / yào / huā diào / hǎo jǐ bǎi / dù / diàn

这台旧空调是典型的电老虎，一个月要花掉好几百度电。

This old air conditioner is a real electricity guzzler, consuming several hundred kilowatt-hours a month.