poke

孩子轻轻戳了爸爸的手臂一下。

The child gave his dad a light ___poke on the arm.

有人轻轻戳了戳我的胳膊，引起了我的注意。

A gentle ___poke on the arm got my attention.

别用手指戳我的眼睛，很危险！

Don't ___poke your finger in my eye, it's dangerous!