to hear something but quickly forget it
услышать что-то, но быстро забыть (uslyshat shto to no bistro zabyt)
"Whatever I tell him goes in one ear and out the other."
"Что бы я ни сказал, в одно ухо влетает, а из другого вылетает." (chto by ya ni skazal v odno ukho vletaet a iz drugogo vyletaet)
To make a sincere promise.
To try to do too many things at once, leaving no energy for...
to decide something
working very hard without enough rest
to die (humorous or informal)
to think carefully about something
