ichidan verb
lodge a complaint; file a formal complaint
Used when someone formally brings a grievance to an authority, such as a court, government office, or company. Implies a deliberate, official action rather than casual complaining.
住民が市に騒音問題を訴え出た。
The residents lodged a complaint with the city about the noise problem.
彼は不当解雇
He decided to file a complaint with the court over his unfair dismissal.