筋的用法和樣例：
例句
-
她做的工作把她累得筋疲力盡。
She's knocking herself out with all that work. -
我們的新汽車很讓人傷腦筋。
We're having trouble with our new car. -
混凝土墻是用鋼筋加固的。
The concrete walls are reinforced with steel rods. -
抽筋肌肉習慣性或過分活動引起的局部暫時性麻痹
A temporary partial paralysis of habitually or excessively used muscles. -
那運動員的腿抽筋了。
The muscles in the athlete's leg went into spasm.
