to feel nervous or hesitant about something
чувствовать нервозность или нерешительность по поводу чего-то (chuvstvovat' nervoznost' ili nereshit'nost' po povodu chego-to)
"He got cold feet before proposing to her."
"Он почувствовал нерешительность перед тем, как сделать ей предложение." (On pochuvstvoval nereshit'nost' pered tem, kak sdelat' yey predlozhenie.)
to experience a sudden failure or breakdown
To lose a lot of money.
to feel deep sadness or sorrow
a situation where time seems to stop or move differently
there is hope for success in the future
to take responsibility for doing something important