der Arzt, die Ärzte

doctor (male)

beginnen
beginnt, begann, hat begonnen

to begin; to start

until

That won't/doesn't work.

Unfortunately, I don't know.

half (here it is used to express time and say it is halfway to the next full hour)

krank
kränker, am kränksten

sick; ill

tomorrow

das Training, die Trainings

training; workout; (sports) practice

I'm sorry.

at; around

die Uni, die Unis
Kurzform von: Universität
die Uni, die Unis

university; college

from

when

How late is it?/What time is it?

What time is it?