推究

That is pretty selfish and philosophically it is protectionism.

这相当自私,推究起来是保护主义.

A typical course, in love, will explore why relationships are so complicated and why attraction ebbs and flows.

标准的爱情课程将会探究情感关系为什么如此复杂，以及相互之间的吸引为什么起起落落。

Plato and Aristotle speculated on memory and thought.

柏拉图和亚理士多德曾经推究了记忆和思想.

Speculating on the reason, We draw the conclusion that the interior reason was his pursuing on the ethical ideal of Confucianism and his rigorous self-discipline, which resulted in his lack of the realistic ability to come into power.

推究缘由，深层原因是他对儒家伦理理想的追求和严格的道德自律，导致现实参政能力的缺乏；

His weak arguments won't bear examination.

他的论据无力,经不起推究.