to move repeatedly around something
крутиться вокруг чего-то неоднократно (krutit'sya vokrug chego-to neodnokratno)
"The hawk kept circling around above the trees."
"Ястреб продолжал кружить над деревьями." (Yastreb prodolzhal **kruzhit'** nad derev'yami.)
decisions made based on factual data rather than assumptions
to deal with a difficult technological challenge
a way of asking what someone is thinking.
to be upset about something that cannot be changed
trusting without questioning
to be in a difficult or tricky situation