ボロを出す
ぼろをだす
to expose one's faults; to have one's defects exposed; to show oneself up
Meaning
- to expose one's faults; to have one's defects exposed; to show oneself up
Example sentences
あいつでかいことばかり言ってるけど、そのうちぼろを出すよ。
He's always talking like a big shot, but it won't be long before all his faults are exposed.