新政策实施后，政府收到了一连串的抗议。

The government received a ___rash of protests after implementing the new policy.

我的手臂上起了红疹，可能是因为接触了某种植物过敏。

I have red ___rashes on my arms, probably from an allergic reaction to some plant.

他突然买下那辆跑车的决定太草率了。

His ___rash decision to buy that sports car was too impulsive.