底气 dǐqì confidence Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: lung capacity All meanings 2 dǐqì 2 confidence 1lung capacity 1 1 sentence for 底气 (dǐqì — lung capacity) 这位歌手底气很足,高音唱得很轻松。 zhè wèi gēshǒu dǐqì hěn zú, gāoyīn chàng de hěn qīngsōng. This singer has great lung capacity and hits the high notes with ease. Source: Dong Chinese Dictionary