This is the 13398th most frequent German word.
beim
"Beim" is a contraction in German meaning "at the" or "with the."
In this sentence, 'beim' is a contraction of 'bei dem,' indicating 'at the location of.' Here, it specifies the location 'Arzt' (doctor).
Ich bin beim Arzt.
I am at the doctor's.
'Beim' is a contraction of 'bei dem,' used here to indicate 'during the activity of' followed by the noun 'Fußballspielen,' describing the concurrent activity at the time of learning.
Er hat beim Fußballspielen gelernt, wie wichtig Teamgeist ist.
He learned the importance of teamwork while playing football.
'Beim,' again a contraction of 'bei dem,' describes the workplace or association with 'Bäcker' (baker), indicating the bread provider's establishment as her place of work.