money that is easily earned is easily lost
деньги, которые легко зарабатываются, легко теряются (dengi kotorye legko zarabatyvayutsya legko teryayutsya)
"He lost all his winnings in a day—easy come, easy go."
"Он потерял все свои выигрыши за один день—легко приходит, легко уходит" (On poteryal vse svoi vyigrishhi za odin den—legko prikhodit legko ukhodyt)
to monitor or record information consistently
to express an idea clearly so that others understand it
someone who will never be your friend
To stay calm and steady, especially during difficulties.
A period of great prosperity followed by a sharp decline.
to do something extremely well