Let us not cavil too much...
我们就别太挑剔了。
Then , they become the critical bottleneck from which an unending series of nitpicks and cavils seem to emerge .
然后,他们成为关键的瓶颈,在其中会出现无休止的挑挑拣拣。
You start abstruse doubts , cavils , and objections : you ask me , what is the cause of this cause ?
你提出深奥难懂的疑问、指责和反对意见:你问我这一原因的成因是什么?