A sharp razor gives a close shave.

剃刀锋就干净。

Pare off the rind from the orange using a sharp knife.

用锋的刀子削去橙子皮。

This knife is very keen.

这把小刀非常锋。

He ground the knife sharp.

他把刀磨锋。

When Larkshimi tried to killed the chital, she has to avoid the sharp buckhorn which will be very dangerous to the tiger.

当老虎试图咬死斑鹿的时候，就要避开锋的鹿角。