食指

He pinched the leaf between his thumb and forefinger.

他将叶子捏在拇和之间。

Well, fingers crossed and hearts crescented that the Grim Reaper or Azrael do not read the Guardian.

好吧，和中交叉（译注：一种祈求好运的手势），祈祷那个狰狞的持镰收割者（译注：死神）或者死亡天使不要读到卫报吧。

Medical examination of the prostate, usually with his right index finger, put on rubber fingerstall, into the anus to check for palpation.

医生检查时，一般用右手，上橡皮套，由肛门伸进去作触诊检查的。

Lisa ran her forefinger along the seam of her duffel bag, its microfield sealing up behind as if she had touched it with a magic wand.

丽莎的在帆布包的开口上缓缓划过。微场密封条仿佛在魔棒的挥下随着手上下滑动。她费力的提起了背包，嘴里轻轻的哼了一声。