naysayer
反对者,否认者,老爱唱反调的人
1. someone with an aggressively negative attitude
If a naysayer close to you has been difficult and critical, there's a good chance you've finally silenced that person.
如果你身边有和你唱反调和总给你制造麻烦的人存在,那么这个月有个很好的机会让这个人彻底闭嘴。