在暴风雨天去爬山真是个愚蠢的决定。

Going hiking in a storm was a ___senseless idea.

车祸后他昏迷不醒，被紧急送往医院。

After the car accident, he was knocked ___senseless and rushed to the hospital.

这场争吵毫无意义，完全是浪费时间。

The argument was completely ___senseless and a total waste of time.