gadfly
Longman Dictionary of Contemporary English 5++LDOCE 5++gad·fly /ˈɡædflaɪ/ noun (plural gadflies) [countable] 1. CRITICIZEsomeone who annoys other people by criticizing them 〔爱批评别人而〕惹人讨厌的人2. TAHBIa fly that bites cattle and horses 虻，牛虻
Examples from the Corpus
gadfly• A gadfly, a maverick, a treasured pain in the posterior.• These people are inconsequential, but they are gadflies.• Hirschfield, a wealthy political gadfly, spoke at the conference.• Which had not included Rory, the gadfly son.Origin gadfly (1500-1600) gad “pointed stick” ((13-19 centuries)) (from Old Norse gaddr) + FLY2gad·fly nounChineseSyllable
other criticizing Corpus by someone who people annoys them
gadfly
gad‧fly /ˈɡædflaɪ/
noun (plural gadflies) [countable]1. someone who annoys other people by criticizing them
2. a fly that bites cattle and horses
gad‧fly /ˈɡædflaɪ/
noun (plural gadflies) [countable]1. someone who annoys other people by criticizing them2. a fly that bites cattle and horses