空头堡 kōngtóubǎo airhead Definitions Defs Origin Strokes Stroke Words Sentences Sents 空头 空頭 kōngtóu phony nominal or existing in name only; used to describe something that is empty, vain, or cannot be fulfilled堡 bǎo nounproper noun fortress (bound form) fort; fortress; castle; also used to transliterate names ending in -burg or -berg, or as an abbreviation for 汉堡 hànbǎo