他轻轻用胳膊肘碰了碰我，提醒我注意看前方的标志。

He ___nudged me with his elbow to draw my attention to the sign ahead.

她轻轻推了推朋友，提醒她该发言了。

She ___nudged her friend to remind her it was time to speak.

他轻轻用胳膊肘推了我一下，提醒我注意看黑板。

He ___nudged me with his elbow to remind me to look at the blackboard.