One should not run about aimlessly during an alert.

空袭警报期间不可处乱跑。

For the rest of the morning he searched aimlessly through the town.

上午余下时间里 ，他在镇上漫无目标四处搜寻。

Ross drove aimlessly through the outer suburbs, sharing the wide, wet road with the occasional noctambulant alley cat, a carload of cheering carousers, and electric mini-van delivering milk.

洛斯驾车漫无目离市区郊外开去，行驶在宽阔潮湿道路上，偶尔会有胡同里跑出来夜游猫，一车狂呼乱喊者和一辆微型电动送奶车。