做事卤莽的人

例句：

1. 1. He developed a rash on his arm after coming into contact with the pollen.
   他接触花粉后手臂上起了疹子。
2. 2. The rash was caused by an allergic reaction to the medicine.
   这种疹子是由药物过敏引起的。
3. 3. Rashes can be itchy and uncomfortable, but they usually go away on their own.
   疹子可能会痒且不舒服，但通常会自己消失。