1.Ketu (Sanskrit), one of the nine celestial bodies of Indian astronomy and astrology, paired with Rahu 罗睺[luó hóu]2.(Chinese astrology) hypothetical celestial body associated with calamity and misfortune
1.(lit.) to sing "The Empty City Stratagem" (idiom)2.(fig.) to put up a bluff to conceal one's weakness3.(jocular) (of a place etc) to be empty; (of one's stomach) to be rumbling