4 sentences

1. 他家老太太身体还很硬朗。

   tā jiā lǎo​tài​tai shēn​tǐ hái hěn yìng​lǎng.

   His mother is still in very good health.

   Source: Dong Chinese Dictionary

2. 那个老家伙身体还挺硬朗的。

   nà gè lǎo​jiā​huo shēn​tǐ hái tǐng yìng​lǎng de.

   That old fellow is still quite robust.

   Source: Dong Chinese Dictionary

3. 这位百岁高龄的老人家身体依然很硬朗。

   zhè wèi bǎi suì gāo​líng de lǎo​rén​jiā shēn​tǐ yī​rán hěn yìng​lǎng.

   This centenarian is still in very good health.

   Source: Dong Chinese Dictionary

4. 这位婆婆虽然年纪大了，但身体还很硬朗。

   zhè wèi pó​po suī​rán nián​jì dà le, dàn shēn​tǐ hái hěn yìng​lǎng.

   Though she is old, this grandmother is still very healthy and fit.

   Source: Dong Chinese Dictionary