筋道

rì běn lā miàn hěn jīn dao

日本拉面很筋道。

Japanese ramen is very tough.

zhè lā miàn hěn jīn dao

这拉面很筋道。

The hand-pulled noodles are very chewy.

zhè rén hěn jīn dao

这人很筋道。

This man is quite hale and hearty.

zhè ge qī shí suì de lǎo tóu shēn zi hái hěn jīn dao

这个七十岁的老头身子还很筋道。

This old man, though 70 years old, is still very sturdy.