twain
number /tweɪn/
/tweɪn/
(old use)Idioms - two
二 词源Old English twegen, masculine of twā, of Germanic origin.
Idioms
never the twain shall meet
- (saying) used to say that two things are so different that they cannot exist together
二者永远合不到一起;泾渭分明;大相径庭