this and that; all sorts of things; one thing and another
Used adverbially, almost always in the pattern とやかく言う (say this and that) or とやかく言われる (be told this and that), meaning to complain, criticize, or find fault in various ways.
See also: とやかく言う
人のやり方にとやかく言うのはよくない。
It's not good to complain about other people's methods.
彼はいつも私の服装にとやかく言う。
He always finds fault with my clothes.
Let's stop criticizing the way other people do things.
I hate being criticized by my boss over every little thing.