狡猾的,秘密地,頑皮地
Slyly \Sly"ly\, adv. In a sly manner; shrewdly; craftily. Honestly and slyly he it spent. --Chaucer.
slyly adv : in an artful manner; "he craftily arranged to be there when the decision was announced"; "had ever circumstances conspired so cunningly?" [syn: {craftily}, {cunningly}, {foxily}, {knavishly}, {trickily}, {artfully}]