Adjectives
showing off wealth or success in a way that is meant to impress others
Ostentatious
understand how to use something or how to do something
get the hang of
reliable; someone you can count on or trust
Trustworthy
leave a job
hand in your notice
slightly suspicious or careful about something or someone
wary
get practical instructions while working
get on-the-job training
not showing off about abilities or achievements; also, not large in size or amount
modest
push yourself to develop new skills
stretch yourself
careful to avoid risks or danger; acting with attention.
cautious
be dismissed from your job because you are no longer needed
be laid off / be made redundant