kindred spirit
US /ˈkɪn.drəd ˈspɪr.ɪt/
UK /ˈkɪn.drəd ˈspɪr.ɪt/

1.
志同道合的人, 知己
a person whose attitudes, interests, or temperament are similar to one's own
:
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I knew we were kindred spirits the moment we started talking about our shared love for old books.
当我们开始谈论对旧书的共同热爱时,我就知道我们是志同道合的人。
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Finding a kindred spirit in a new city can make it feel like home.
在一个新城市找到一个志同道合的人,会让你感觉像家一样。