能無し犬の高吠え
Meanings
1
jealous complaint; the loud bark of a talentless dog
Idiomatic expression meaning that incompetent people tend to complain loudly or criticize others out of jealousy. The literal image is of a talentless dog barking loudly.
His criticism is nothing more than the loud bark of a talentless dog.
That person's complaints are always just jealous barking.