There are various ways to rate martial artists.
Beginners can have a variety of defects.
The following terminology can be used to rate a Wing Chun practitioner in terms of the ability to be hard or soft. The person is totally stiff and is not capable of changing his actions quickly. There is no sensitivity or feeling. The person is generally very soft, but cannot change from a soft state to a hard state very quickly. The person uses tense muscular actions, but is able to change rapidly from technique to technique.