3 sentences

1. 这是我今天的第十根烟。

   zhè shì wǒ jīn​tiān de dì​shí gēn yān.

   This is my tenth cigarette today.

   Source: OpenSubtitles

2. 今年是我退休的第十个年头。

   jīn​nián shì wǒ tuì​xiū de dì​shí ge nián​tóu.

   This year marks my tenth year of retirement.

   Source: CCMatrix

3. 去年十一月，我庆祝了第十个生日。

   qù​nián shí​yī​yuè, wǒ qìng​zhù le dì​shí ge shēng​rì.

   Last November, I celebrated my 10th birthday.

   Source: OpenSubtitles