gadfly
US /ˈɡæd.flaɪ/
UK /ˈɡæd.flaɪ/

1.
pungolo, seccatore
a person who annoys or provokes others with criticism, questions, or new ideas
:
•
He was known as a political gadfly, constantly challenging the status quo.
Era conosciuto come un pungolo politico, che sfidava costantemente lo status quo.
•
The professor acted as a gadfly, encouraging students to think critically.
Il professore agiva come un pungolo, incoraggiando gli studenti a pensare criticamente.
2.
tafano, mosca cavallina
a fly that bites livestock, especially a horsefly
:
•
The horses were bothered by the persistent gadflies.
I cavalli erano infastiditi dai persistenti tafani.
•
A single gadfly can cause a lot of irritation to an animal.
Un singolo tafano può causare molta irritazione a un animale.