Question

`That's much too subtle, even for Sam.' `Even for Sam!' He POUNCED ON the phrase with a sound of triumph. / The boss was quick to POUNCE ON any error in her work.

Accepted Answer

PHRASAL: to notice a mistake and immediately criticize or disagree with it (usually to draw attention to yourself or to prove you're right)

Front	`That's much too subtle, even for Sam.' `Even for Sam!' He POUNCED ON the phrase with a sound of triumph. / The boss was quick to POUNCE ON any error in her work.
Back	PHRASAL: to notice a mistake and immediately criticize or disagree with it (usually to draw attention to yourself or to prove you're right)

`That's Subtle Sam `Even Pounced Phrase Sound Triumph