说话to start to talk

• 开口说话

  talk

• 老不开口

  never talk

• 死不开口

  die before one is willing to talk

• 不让人开口

  not let people talk

• 只要他一开口，就没完没了。

  As soon as he opens his mouth he just goes on and on.

• 强者才配开口。

  Only the strong are worthy of speaking out.

刀、斧开刃儿to add a cutting edge

【工】opening

【纺】slit