If someone telegraphs something that they are planning or intending to do, they make it obvious, either deliberately or accidentally, that they are going to do it.
The commission telegraphed its decision earlier this month by telling an official to prepare the order.
If you buy an idea or a theory, you believe and accept it.
I'm not buying any of that nonsense.
I bought into the popular myth that when I got the new car or the next house, I'd finally be happy.
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除此之外，“buy”还可以作为“名词”，表示“划算的东西；性价比高的商品 ”【If something is a good buy, it is of good quality and not very expensive.】
This was still a good buy even at the higher price.
If problems or injuries dog you, they are with you all the time.
①The problems that have dogged him all year are just a temporary setback.
②His career has been dogged by bad luck.
shark 本义是“鲨鱼”，作为名词可以表示“坑蒙拐骗的人;诈骗者 “【If you refer to a person as a shark, you disapprove of them because they trick people out of their money by giving bad advice about buying, selling, or investments.】
Beware the sharks when you are making up your mind how to invest.
British workers had been gulled into inflicting poverty and deprivation upon themselves.
再比如“squirrel”，本义是“松鼠”，它的动词短语“squirrel away”还可以表示“储存;贮藏 ”**【If you squirrel things away, you hide or store them so that you can use them in the future.】
She says the kid's been squirrelling money away like there's no tomorrow.
“be plagued by”这个短语是一个很高频 的表达，表示“困扰；使烦恼；折磨”，英文释义是：If you are plagued by unpleasant things, they continually cause you a lot of trouble or suffering.
I was plagued by weakness, fatigue, and dizziness driven by a hedge of books.
I was plagued by too many presentations and team work...
If you deliberate, you think about something carefully, especially before making a very important decision.
She deliberated over the decision for a long time before she made up her mind.
我们昨天在Day 391| Let me just mull it over...提过它的相似表达:mull ,英文解释是：
If you mull something, you think about it for a long time before deciding what to do.
①I have not decided yet,I am mulling it over in my mind.
②I'm going to spend the weekend mulling over my options.
Royalties are payments made to authors and musicians when their work is sold or performed. They usually receive a fixed percentage of the profits from these sales or performances.
I lived on about £3,000 a year from the royalties on my book.