抓住绳子,别松手!
Hold onto the rope and don't ___let ___go!
我松开了羽毛,它飘落到了地上。
I ___let ___go of the feather and it floated to the ground.
孩子不肯松开他妈妈的手。
The child refused to ___let ___go of his mother's hand.