2 sentences for 例 (lì — precedent)

1. 我想不出一个历史先例。

   wǒ xiǎng bu chū yī​ge lì​shǐ xiān​lì.

   I can’t think of a historical precedent.

   Source: CCMatrix

2. 这是一个史无前例的悲剧。

   zhè shì yī​ge shǐ​wú​qián​lì de bēi​jù.

   This is an unprecedented tragedy.

   Source: CCMatrix