Optimists see a glass as half full rather than half empty.
这句话中as做介词，half做名词，full做half的后置定语吗？
A passive person is often seen as weak and easy to control.
这句话中 as做介词，weak我查牛津字典，没有名词的词性呀?
The only major objection came from Justice Antonin Scalia,who offered an even more robust defense of state privileges going back to the Alien and Sedition Acts.黑色部分充当句子的什么成分，该如何理解以及翻译？
Of the nineteen recognized polar bear subpopulations, three are declining, six are stable, one is increasing, and nine lack enough data.1）of这里是什么用法？是作为介词相当于among吗？2）the 是否可以改为those?
Though left-handedness is inherited, and as much an integral part of its possessor as eye color or nose shape.这句话中，as much 是什么词性、什么意思？后面的as是作介词吗、是什么意思？
However,
its most recent meaning, of "speaking your dreams into existence" is
first recorded only in the early 20th century, associated with Spiritualism,
and has become widespread only more recently. 这句话的of为什么和前面分开？这是什么写法？
...one of the
villagers, but it was not returned to him. Three months passed, and then one
morning, Sam found his wallet outside his front door. It had been wrapped up in
newspaper and it contained half the money he had lost, together with a note
which said: 'A thief, yes, but only 50 per cent a thief!...
It means living with uncertainty and fear of failure.我的理解是：with uncertainty和fear of failure都作状语修饰living.It is fear of failue省略成fear of failure作伴随或其它状语.请问这样理解对吗？