Better and In fine fettle

Better adjective - (comparative of `good') superior to another (of the same class or set or kind) in excellence or quality or desirability or suitability; more highly skilled than another.

In fine fettle and better are semantically related In some cases you can use "In fine fettle" instead an adjective "Better".

Better and in fine fettle are semantically related in healthy topic. Sometimes you can use "Better" instead an adjective phrase "In fine fettle".