handwavingWiktionary 原文英/ˈhandweɪvɪŋ/美构词拆解handhand词干wavingwaving词干词源说明From hand + waving.释义形容词adjective1not comparableWaving the hands.2Pertaining to empty gesturing, with little substance behind it; vague; not supported by data.名词noun1chiefly figurativelyAlternative form of hand waving (“empty gesturing”).动词verb1present participle and gerund of handwave