to feel excited or nervous because of love
чувствовать возбуждение или нервозность из-за любви (chuvstvovat' vozbuzhdenie ili nervoznost' iz-za lyubvi)
"Every time he smiles, her heart skips a beat."
"Каждый раз, когда он улыбается, её сердце замирает." (Kazhdyy raz, kogda on ulybaetsya, yeye **serdtse zamiraet**.)
to reach the desired standard or level
to operate smoothly and efficiently
a friend you have known for a long time
without much thought or preparation
a positive aspect in a bad situation
to be gentle or patient with someone