to feel disappointed or sad suddenly
внезапно чувствовать разочарование или грусть (vnezapno chuvstvovat' razocharovanie ili grust')
"My heart sank when I saw the exam result."
"Мое сердце упало, когда я увидел результат экзамена." (Moye serdtse upalo, kogda ya uvidel rezul'tat ekzamen.)
to make someone feel nervous or excited
to become extremely angry or excited
to be so worried or stressed that you don’t know what to do
to keep something and not give it away
To do something that may result in loss or danger.
thankful for something for a long time