Someone's aptitude at a skill is their natural ability to perform it well; this word also refers to someone's ability to learn something new or become better at a skill.
When you are adept at something, you are very good, skillful, or talented at it.
When you adapt to a new situation, you change to adjust or become used to it.
Someone who is inept is unable or unsuitable to do a job; hence, they are unfit for it.
A person’s attitude is how they choose to think and feel about something.
(usually followed by `to') naturally disposed toward
unskillfulness resulting from a lack of training
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