ごまめの歯は軋ぎしり

noun

feeble anger; impotent rage

Idiomatic expression for anger or frustration that one cannot act on because one is powerless. Often used self-deprecatingly or to describe a weak person's futile resistance. Literally 'the clenching teeth of a dried sardine'.

• 彼かれの抗こう議ぎなど、ごまめの歯は軋ぎしりに過すぎない。

  His protest is nothing more than the clenching teeth of a dried sardine.

• 小ちいさな会かい社しゃが大だい企き業ぎょうに文もん句くを言いっても、ごまめの歯は軋ぎしりだ。

  Even if a small company complains to a big corporation, it's just impotent rage.