他的双手因患关节炎而扭曲变形。用英语怎么说？

他的双手因患关节炎而扭曲变形。

His hands were gnarled with arthritis.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

hands

n. 手( hand的名词复数 )，人手，（工具等的）把，帮助；

例句
He lifted his hands above his head...
他将双手举过头顶。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

gnarled

adj. （树、树干、树枝）扭曲的，多瘤的，多节的，（手、手指）粗糙的；

例句
The tree has gnarled red branches and deep green leaves.
这棵树的树枝扭曲多瘤且呈红色，树叶则是深绿色。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

arthritis

n. 关节炎；

例句
New ways to treat arthritis may provide an alternative to painkillers.
关节炎的新疗法可能是止痛药之外的另一种选择。