“Even . . . (also) . . . ” = lián . . . , yě/ - Cchatty

“Even . . . (also) . . . ” = lián . . . , yě/dōu . . . 连 . . . , 也/都 . . .

The lián 连 (even) clause always comes first in Chinese and must be followed by yě 也 (also):

Even my best friend doesn’t know.
Lián wǒ zuì hǎo de péngyou yě (dōu) bù zhīdao.
连我最好的朋友也 (都) 不知道。

More formally, “even . . . (also) . . . ” = shènzhì . . . yě/dōu . . . 甚至 . . . 也/都 . . . :

Even Chinese people can’t write every Chinese character.
Shènzhì Zhōngguó rén yě (dōu) búhuì xiě suǒyǒude Hànzì.
甚至中国人也 (都) 不会写所有的汉字。