一瞬即逝 meaning in Chinese

disappear in a flash; vanish in a flash

The light left his face ever and again .
他脸上的神采往往总是能一瞬即逝。
But the tough good-guy aura never quite remained .
可是那一股生硬的可亲气息却往往一瞬即逝。
Everyone loves the fiery stars that light up the sky with a bang
烟花虽然一瞬即逝，但其短暂美，总教人难以忘怀及津津乐道。
In loess plateau , flat shovels were popular , and my shovel liked a flat pan , the paste of barnyard grass flour laid open around the shovel , at the edge the paste was emitting flashy air bladder , not for one minute , a battercake was finished
黄土高原用的是平板铁锹，宛如一只平底锅，稗子面糊均匀地向四周摊开，边缘冒着一瞬即逝的气泡，不到一分钟就煎成了一张煎饼。