丧失视觉to lose one's sight

• 右眼瞎了。

  The right eye has gone blind.

• 他瞎了一只眼睛。

  He's gone blind in one eye.

糟蹋，损失<方>waste

• 一场冰雹瞎了田里的麦子。

  A single hailstorm has ruined the field of wheat.

乱<方>tangle

• 线绕瞎了。

  The thread is tangled.

参见：瞎火

不发芽，不饱满<方>undeveloped

• 瞎高粱

  undeveloped sorghum

胡乱carelessly

• 瞎干

  do carelessly

• 瞎吵

  quarrel for no reason

• 瞎指挥

  order arbitrarily

徒然in vain

• 瞎费劲儿

  waste effort needlessly

• 别瞎着急。

  Don't be needlessly anxious.