A person or activity that is aimless has no clear purpose or plan.
例句
Peters had been adrift and aimless...彼得斯曾经漫无目的地四处漂泊。After several hours of aimless searching they were getting low on fuel.在几个小时漫无目的的搜寻之后,他们快没燃料了。
英汉词典释义
adv.
漫无目的地,无目标地
For the rest of the morning he searched aimlessly through the town.上午余下的时间里 ,他在镇上漫无目标地四处搜寻。Ann was strolling along aimlessly when I brought her up short by calling her name from the other side of the street.安正在街上漫无目标地闲逛,我从街对面叫她,她便停了下来。