Stick your thumb or finger into its eye.

把你的拇指或其他手指扎入它的眼睛里。

youdao

Do not stick your index finger and middle finger up with the palm of your hand facing towards you in the United Kingdom; it is the equivalent of giving someone the finger.

在英国，不要在手掌面向自己时竖起食指和中指；这无异于直接对别人竖中指(在西方社会一种非常不礼貌的行为)。

youdao

Every morning the old woman would go out to the little cage, and say: "Hansel, stick out your finger, that I may feel if you are fat enough for eating.

每天早上这个老妇人就会去到小笼子那里，然后说：“汉斯，伸出你的手指，这样我就可以感觉到你是否足够胖可以吃了。”

youdao

Every couple of months they pull their heads out of their monitors, stick a finger out the window and survey the desolate landscape below.

FORBES: Beyond the sunset

This probably helps them to work out from which direction the vibrations are travelling rather as a person might stick a finger first in one ear and then in the other to work out the direction that a sound is coming from.

ECONOMIST: Extra sensory perception

Behold: the fish stick ("fish finger" in the U.K.).

FORBES: Pressure Cooker