to lose energy or enthusiasm
потерять энергию или энтузиазм (poteriat energiyu ili entuziazm)
"After working all day, I completely ran out of steam."
"После целого рабочего дня я полностью выдохся." (posle tselogо rabochego dnya ya polnostyu vydokhsya)
to betray someone after pretending to support them
a small but essential part of a large system
a fundamental change in approach or underlying assumptions
to maintain a clear sense of direction or goal
An unclear distinction between two things
to take a break from daily routine; to relax