重点讲解：
1. have no idea
（表示强调）我不知道；
eg. I have no idea why he resigned his post.
我不知道他为何辞去他的职务。
eg. Sponsor stated they have no idea where he is.
赞助方表示他们不知道他在哪儿。
2. settle down
（尤指结婚或买房后）定居，安顿下来；
eg. One day I'll want to settle down and have a family.
总有一天，我会想安定下来，成个家。
eg. He's of an age when he ought to settle down.
他已经到了应该安顿下来的年龄了。
3. at the moment
此刻；目前；眼下；
eg. I think she feels desperately wounded and unloved at the moment.
我想她此刻定会觉得受到了极大的伤害，无人关爱。
eg. I must say I am really enjoying myself at the moment.
我得说此刻我感到非常愉快。