老半天 Traditional form: 老半天 Pinyin (reading): lǎobàntiān Definitions: (coll.) a long time Characters: 老 - old, aged; experienced 半 - half; semi-, incomplete 天 - sky, heaven; god, celestial Traditional characters: 老 - old, aged; experienced 半 - half; semi-, incomplete 天 - sky, heaven; god, celestial