投诉不是 complaint,是 file a complaint、
我们投诉你们公司 ：
We're going to file a complaint against your company.
这样才是地道的翻译.自己认真翻译的,有问题请追问—— ♥不可以用complain 作为动词来说吗 比如i wanna complain your company. 口语可以吗不太正规，不过如果一定要用那也勉强可以。但句型是 going to complain about + sth ：I going to complain about your company.