grumpWiktionary 原文/ɡrʌmp/词源说明Uncertain. Possibly altered from grum, see there for more.释义名词noun1informalA habitually grumpy or complaining person.2informalA grumpy mood.动词verb1informal, intransitiveTo complain.2informal, intransitiveTo be grumpy.同族词派生词 2begrumpled·grumpity