lonely: [16] Lonely is a derivative of lone [14], itself a truncated form of alone. Another coinage based on lone is lonesome [17].
lonely (adj.)
c. 1600, "solitary, lone," from lone + -ly (1). Meaning "dejected for want of company" is from 1811. Lonely heart (n.) "a lonely-hearted person" is from 1922. Lonely hearted (adj.) is attested from 1820.
权威例句
1. If you're lonely when you're alone, you're in bad company.--Jean Paul Sartre
如果你独处时感到寂寞,说明没有把自己陪好。
2. I would imagine she's quite lonely living on her own.
我猜想她一个人过肯定很孤独。
3. Miserable, and unexpectedly lonely, she went in search of Jean-Paul.
内心痛苦、突感寂寞的她去寻找琼-保罗。
4. I feel lost and lonely in a strange town alone.
在陌生的城镇里只身一人,我感到不知所措、孤单寂寞。
5. He looks for the lonely, the lost, the unloved.