A person or animal that is solitary spends a lot of time alone.
Paul was a shy, pleasant, solitary man.
保罗是个腼腆友善、惯于独处的人。
A solitary activity is one that you do alone.
His evenings were spent in solitary drinking.
他晚上的时间都是靠独自喝闷酒打发。
A solitary person or object is alone, with no others near them.
You could see the occasional solitary figure making a study of wildflowers or grasses.
你偶尔可以看见那个研究野生花草的孤独身影。