jab|jabbed|jabbing

他用铅笔轻轻地戳了我的胳膊一下。

He gave me a light ___jab on the arm with his pencil.

他气呼呼地用指头戳我的胸脯。

He ___jabbed his finger angrily at my chest.

护士轻轻地用针头刺了一下他的手臂。

The nurse was gently ___jabbing his arm with the needle.