(泄劲) lose heart; feel discouraged; be disheartened
not discouraged by difficulties
没有因为困难而泄气
Don't lose heart!
别泄气!
He was discouraged in [over] his enterprise.
他对自己的事业感到泄气。
His trouble is that he frustrates much easily.
他的毛病是很容易泄气。
(讽刺低劣或无本领) disappointing; frustrating; pathetic
How pathetic!
真让人泄气!
(排气) aerofluxus; bleed