4 sentences

1. 我有生以来第一次留了胡子。

   wǒ yǒu​shēng​yǐ​lái dì​yī​cì liú le hú​zi.

   I grew a beard for the first time ever.

   Source: CCMatrix

2. 有生以来第一次，我真正孤身一人。

   yǒu​shēng​yǐ​lái dì​yī​cì, wǒ zhēn​zhèng gū​shēn yī​rén.

   For the first time in my life I was truly alone.

   Source: CCMatrix

3. 他有生以来第一次感到自己老了。

   tā yǒu​shēng​yǐ​lái dì​yī​cì gǎn dào zì​jǐ lǎo le.

   For the first time in his life he felt old.

   Source: OpenSubtitles

4. 她有生以来第一次有了自己的卧室。

   tā yǒu​shēng​yǐ​lái dì​yī​cì yǒu le zì​jǐ de wò​shì.

   For the first time in her life, she had her own bedroom.

   Source: CCMatrix