- [countable, uncountable]
a strong band of tissue in the body that joins a muscle to a bone 肌腱 - [usually plural] (literary)
a source of strength or power 力量的来源；关键环节；要害之处 the sinews of economic life 经济生活的根基
Word OriginOld English sin(e)we ‘tendon’, of Germanic origin; related to Dutch zeen and German Sehne.
Idioms
strain every sinew/nerve (to do something)
to try as hard as you can to do something 竭尽全力（做某事） He strained very sinew to snatch victory from defeat. 他非常努力地从失败中夺取胜利。