apprentice    
n. 学徒；徒弟

-------person learning an art or trade under a skilled worker;learner;beginner;novice;tyro

Young Ben Franklin learning the printing trade by serving as an apprentice to his half brother James.

aptitude      
n. 资质；才能

-------natural tendency to learn or understand;bent;talent

Eric is clumsy with tools; he has little mechanical aptitude.

craftsman     
n.  技工；手艺人

-------skilled workman;artisan

To build a house, you need the services of carpenters, bricklayers, plumbers, electricians and several other craftsmen.

dexterity    
n. 技巧；灵活

-------skill in using the hands or mind; deftness; adroitness

You can't expect an apprentice to have the same dexterity as a master craftsman.

adroit (ant. maladroit, inept) 
adj. 熟练的；灵巧的

-------expert in using the hands or mind; skillful; clever; deft; dexterous

Our adroit passing enabled us to score four touchdowns.

ambidextous   
adj. 双手都善用的；熟练的

-------able to use both hands equally well

Jack is an ambidextrous hitter; he can bat right-handed or left-handed.

versatile     
adj. 多才多艺的；多方面的

-------capable of doing many things well; many-sided; all-around

Leonardo da Vinci was remarkably versatile. He was a painter, sculptor, architect, musician, engineer and scientist.