探囊取物

as easy as winking

探的英语翻译：

explore; scout; spy; stretch forward; try to find out; visit

囊的英语翻译：

bursa; purse; theca; vesica
【医】 accessory pocket; bag; balloon; bladder; bursa; Capsul; capsula
capsulae; capsule; cyst; cyst-; cysti-; cystido-; cystis; cysto-
hydatid; kysto-; pouch; sac; sacci; saccus; Ves.; Vesic.; vesica
vesicle; vesico-

取物的英语翻译：

fetch