There is no 7-character idiom that begins with a peak, but there are four-character idioms:

Sharp-edged, rare, xi Ang

Sharp, fē ng má ng b: and n

Don't show your strength, fēng máng bülü.

Positive exposure, fē ng má ng b: and l:.

Sharp-edged, arrogant.

Sharp, f ē ng m á ng b ē l ē

Feng Yong spent the rest of his life.

Sharp hair

The wind sends Liu Yun, and the phoenix dances beautifully.

The front is unstoppable, fēng bùk dāng.

The pain of dysprosium, F ē ng Dí zh and K. Pei