I haven't played a scout class yet so I don't know much about trap skills, so pardon the misloaction of this response, but I do know about weapond skills being a fresly lvl 20 Berserker. There are weapon skill such as dagger and sword that will always be maxed. At lvl 20 mine are 100/100 for both. These represent your ability to hold that certain type of weapon. Your combat skills on the other hand, such as crushing, slashing, and piercing will be powered up based on use. I realised this at level 14 so I have, for example, 100/100 slashing (my main weapons for many levels) 82/100 crushing (once i realised i had to crush things to get skill in it), and 40/100 piercing (i have yet to use a weapon that pierces). Hope this clears things up.
Remember-
WEAPON skills will always be max and represent the ability to HOLD weapons
COMBAT skills will need to be trained and represent your ability to deal death with those weapons