1、Slyness is hurting deliberately.
狡猾是故意的傷害。

2、He delighted in female subtlety, slyness and fecundity.
他醉心于女性的細膩、狡黠和旺盛的生殖力。

3、It makes sincerity turn to hypocrisy, cleverness turn to slyness and seriousness turn to dogma.
真誠成了虛偽，聰明成了狡猾，認真成了刻板。