The play has too many loose ends.

这部剧未作交代的东西太多。

I was at loose ends and in a funk.

我无所事事，心情愁苦。

She had woken feeling at loose ends.

她醒了，感到闲得无聊。

There are some annoying loose ends in the plot.

情节中有一些令人烦恼、尚待弄清的东西。

I never feel bored or at loose ends.

我从来也没有感到没事干或无聊的。