1. 强壮的：sinew 腱 | sinewy 强壮的 | sinfonia 交响乐

2. 多腱的/强壮的/结实的：sinetable /正弦台/ | sinewy /多腱的/强壮的/结实的/ | sinfonia /交响乐/序曲/

3. 多腱的：sinew 腱子 | sinewy 多腱的 | sinfonia 序曲

4. 纤维状：sinewaveswitching 正弦波转换 | sinewy 纤维状 | sing-alongelectronicorgan 伴唱电子口琴

1. 肌肉发达的;精壮的;强健的
Someone who is sinewy has a lean body with strong muscles.

e.g. A short, sinewy young man...
一名个子不高、肌肉发达的年轻男子
e.g. When muscles are exercised often and properly, they keep the arms firm and sinewy.
如果能经常正确地锻炼肌肉的话，双臂就会一直结实而强健。

adj

1. (of a person) possessing physical strength and weight
rugged and powerful

e.g. a hefty athlete
a muscular boxer
powerful arms

Synonym: brawnyheftymuscularpowerful

2. (of meat) full of sinews
especially impossible to chew

Synonym: fibrousstringyunchewable

3. consisting of tendons or resembling a tendon

Synonym: tendinous