muddle along without an aim 形容浑沌无知的样子
without an aim
没有目标
以上为机器翻译结果，长、整句建议使用 人工翻译 。
I walked on the streets, without an aim in mind.
我走在街上，心中没有目标。
youdao
Living without an aim is like sailing without a compass.
生活没有目标，犹如航海没有罗盘。
Living without an aim is like living without a compass.
生活无目标，犹如航海无指南针。
The aim is to provide users with an instant way of accessing the web without the hassle and delay of a heavyweight operating system like Windows or Macintosh OS X.
ECONOMIST: Google goes in search of an instant operating system
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