介绍:
1）A double edged sword
-Don't hate people; it is a double edged sword.
-Having a high IQ is a double edged sword since no one is compatible to talk to you.
-Being in a position of power is a double edged sword since people can no longer treat you like a friend.
Definition: Something that has both pros and cons.
Etymology: First used in the 15th century.
Other examples:
A. Success/fame is a double edged sword. It's a life fulfilling experience that causes you to lose friends afterwards.
B. Losing weight in a short amount of time is a double edged sword, sometimes it will affect one's health and reduce immunity.
2) Doesn't ring a bell
-The name of the famous classical musician doesn't ring a bell with Tom since he only listens to modern music.
-I have met Dana, but her name doesn't ring a bell.
-When Jeff's girlfriend talked about a girl from work, Jeff claimed the girl's name did not ring a bell. This was to conceal the fact it was his ex.
Definition: To awaken a memory
Etymology: To ring a bell or "awaken a memory" is perhaps a reference to Pavlovian experiments. In a series of experiments, Pavlov then tried to figure out how these phenomena were linked. For example, he struck a bell when the dogs were fed. If the bell was sounded in close association with their meal, the dogs learned to associate the sound of the bell with food. After a while, at the mere sound of the bell, they responded by drooling.
Other examples:
A. Her cousin told her that when she was little, she wanted everybody to call her princess. She was a little embarrassed and claimed that it didn't ring a bell to her.
B. He said we'd met on many different occasions and yet he didn't ring a bell to me. He still seems like a total stranger to me!
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