find one's feet不要理解为“找自己的脚”，真实含义是已适应新环境；在社会上站稳；对自己的能力有把握；开始站稳；能独立行动。

【例句】
It took a while, but I've finally found my feet in my job.
花了一段时间，但我终于适应了工作的新环境。

After having worked hard for nearly two years, I am still not able to find my feet in this company.
经过近两年的努力，我仍然无法适应这家公司的环境。