His pulse is thready and he 's bleeding internally .

他的脉搏很微弱，而且还有内出血。

It 's thready , but it 's still there .

像线一样，不过至少还有。

Weak and thready at the brachial .

肱动脉脉搏微弱.

The laughing voices collided with one another in mid-air . Some splintered into thready slivers , shattered beyond repair ; a new laugh would rise , pursue one that was still intact , and smash it to bits .

笑声在空气中互相撞击，有的碎了，碎成了一丝一丝的，再也聚不拢来，就让新的起来，追着未碎的那一个，又马上把它也撞碎了。