A genetic mutation that enables us to survive one hazard may also shackle us with a less harmful new trait.

一种能使我们在恶劣环境下存活的基因变异，可能会带给我们有些小伤害的新性状。

Don't you shackle him with your love?

你不是用你的爱来束缚他吗？

Queer that she should feel nothing now, nothing except a weariness that shackled her limbs with heavy iron chains and a hunger that made her knees tremble.

她昨天故去了！" 奇怪的是她现在居然毫无感受，除了一种像沉重的铁链般锁住她的四肢的疲惫和使她的两个膝头发抖的饥饿之外，什么感觉也没有了。

Simple and unaffected, he never cared for the trappings of dignity; when he was shackled with an office, he described himself as a harnessed deer.

他是纯然一副淳朴自然相，故无需乎尊贵的虚饰；在为官职所羁绊时，他自称局促如辕下之驹。