straightforward
simple and easy to understand
quibble
argue about small unimportant details
commute
to make the same journey regularly between work and home
come to terms with
accept a challenging, to gradually accept a sad situation, often the death of someone you love
come in handy
to be useful
build-up
increase over a period of time, to increase or become larger or stronger, or to cause someone or something to do this, an increase, especially one that is gradual
devote
to give your time or effort completely to something you believe in or to a person, or to use a particular amount of time or energy doing something
set up
prepare what will be needed for an activity, to prepare something for use, especially by putting the different parts of it together, to provide someone or something with all the necessary things for particular activity or period of time
take on
to accept a particular job or responsibility, to begin to have, use, or do something
keep/put your nose to the grindstone
to work very hard for a long time
unassuming
Someone who is unassuming is quiet and shows no wish for attention or admiration,
presumptuous
rude because of doing something although you know you do not have a right to do it (bezczelny, arogancki, zarozumiały), taking too much for granted
inadvertently
in a way that is not intentional
insipid
not having a strong taste or character, or having no interest or energy
nondescript
very ordinary, or having no interesting or exciting features or qualities, bez wyrazu
disgruntled
unhappy, annoyed, and disappointed about something