她解开绳索，让被困的小鸟飞走了。

She ___loosened the rope and let the trapped bird fly away.

他松开领带，让自己更舒服些。

He ___unloosed his tie to feel more comfortable.

在演唱会上，她尽情释放了自己的情感。

At the concert, she ___unleashed her emotions freely.