alone/ ə'ləun /

1.adjective
(not with other people) 独自的

2.adjective
(having no family or friends) 孤独的

3.adjective
to be alone together (with no other people) 单独在一起

4.adverb
(unaided) 独自地

5.adverb
in Florida/France alone (merely) (used for emphasis) 仅仅在佛罗里达/法国

to leave sb/sth alone
不要打扰某人/某物
to be alone with sb
与某人独处
let alone...
更谈不上…
I alone survived
只有我幸存下来