筋道　 读音：jīn dao 　　 释义及示例： ①（方言）指食物有韧性，耐咀嚼。 例如：这碗面条很筋道。 ②身体结实（多指老人）。例如：老人的身子骨儿倒很筋道。

筋道. this word is usually used to describe the food (specially noodles) which is bend easily without breaking.

苗条很筋道=The noodles are delicious in chewing

This is complicated.

It only means that the noodle is Al dente to me.