重点讲解：
1. if only
要是…多好；
eg. If only you had told me that some time ago.
要是你早些时候告诉我该多好啊！
eg. If only it were that simple!.
要是那么简单就好了！
2. be tired of sth.
厌烦的；厌倦的；
eg. Besides, you're probably tired of those old subjects anyway.
而且，无论从什么角度你可能对旧的科目产生厌烦情绪E|m;L55SYZ31。
eg. We were all tired of that tedious story.
我们不愿意听那个冗长乏味的故事了dKFgWPF)X&OeS5n。
3. nip sth. in the bud
把…消灭在萌芽状态；防（患）于未然；
eg. It is important to recognize jealousy and to nip it in the bud before it gets out of hand.
重要的是要甄辨出嫉妒情绪并尽早消除这种心理，以免其一发不可收拾vIdr%a+(eLM-ONv!d。
eg. We are setting up 'protection measures' designed to nip these obstructive schemes in the bud.
我们正在设立“保护措施”让这些阻碍计划被扼杀在萌芽状态;[GCZkpty,yWR#k%a6-。