书信letter

• 寄信

  send a letter

• 送信

  deliver a letter

• 接到信

  receive a letter

• 拆信

  tear open a letter

• 父亲写来的信

  a letter written by his father

• 寄给我的信

  letter sent to me

• 写给母亲的信

  letter written to my mother

参见：信息

• 那事儿还没信儿呢。

  There's still no news on that matter.

• 音信全无

  without any word of

• 通风报信

  give out secret information

参见：信用

• 言而有信

  be true to one's word

• 守信

  keep one's word

• 失信

  go back on one's word

• 威信

  prestige

凭据proof

引信fuse

参见：芯[xìn]

参见：信石[xìnshí]

• 白信

  white arsenic

相信to believe

• 信不信由你。

  Whether you believe it or not is up to you.

• 此人不可信。

  This person is not to be trusted.

• 别信他的话。

  Don't believe what he says.

参见：信奉

• 信佛教

  believe in Buddhism

确实true

随意casually