He had the audacity to say I was too fat.
他竟敢放肆地說我太肥胖。
I, for one, admire his audacity
比如說，我就很欽佩他的膽識。
I was shocked at the audacity and brazenness of the gangsters.
這伙歹徒如此膽大妄為、厚顏無恥，讓我很是震驚。
He may own the perspicacity and persistence to catch and keep the most valuable thing.
他可能擁有洞察力和堅忍力，可以抓住和保有人生中最寶貴的東西。
It was a marvellous effort of perspicacity to discover that I did not love her.
真是費了不少的勁才發現我本來就不愛她。