to throw
to accuse
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→tou2su4 • tóusù
to complain
complain, complains, complained, complaining, complaint
旅客 有 投訴 權。
Customers have the right to complain.
他 打電話 向 公司 投訴 了。
He called to complain to the company.
乘客 可以 在 網站 上 投訴。
Passengers can complain on the website.