Come and see us, if you're at a loose end.

你要是闲着无事就来我们这儿坐坐吧。

Oh, he had to cancel, so I'm at a loose end.

噢，他有事取消了，所以现在我没事做了。

When you notice a loose end on a garment, you must deal with it.

当发现衣服有松脱的线部，你必须处理它。

Step on the loose end of the string and slowly raise the camera to your eye.

一脚踩住地上的绳子，然后慢慢举起相机到眼前。

Weave the loose end on the right around and behind the right lobe of the pretzel.

把右侧松开的一端，从后方绕过椒盐卷饼的右侧叶。