投诉tóusùTop 4000Meanings1. to lodge a complaintCharacters used投to throw诉to sueExamples1如果rúguǒ本běn周zhōu我wǒ收shōu不bù到货dàohuò，我wǒ就jiù向xiàngpaypal投诉tóusù。If I do not get the item this week, I will make a complaint to PayPal.