refining; refinement; smelting; training
skilled; skillful; skilful; competent; capable; good
unskilled; incompetent; poor; bad
going back to the beginning (in a discussion, argument, etc.); returning to the fundamental points (of the issue at hand); discussion of how things began (in the first place)
to change facial expression or color (due to anger, embarrassment, etc.)
appearing and disappearing; slipping in and out of view
disquieting; threatening; turbulent; restless; unsettled; disturbing
to lay bare; to expose; to reveal