Commonly Used Idioms: Body Parts!? 2
Just like we have two eyes, two hands, two feet, and two lungs, we also have two parts to the Body Parts idioms. Here’s part two:
A sweet tooth: a love of sugar or sweets. If you enjoy eating sweet things, you have a sweet tooth.
Example: I see Lucy eating chocolate every day. She must have a sweet tooth.
To cost an arm and a leg: to be very expensive. You can think of it this way: the loss of any body part would be a high price to pay for something, therefore you use it to mean a lot of money.
Example: Max bought a bike, but it cost him an arm and a leg.
Elbow grease: hard scrubbing; working hard at manual labour. It humorously suggests that sometimes one can achieve a better result through human energy and hard work, rather than by using special products.
Example: Our grandmother never used chemical cleaning products, only elbow grease.
Itchy feet: a strong desire to travel
Example: I have lived in Lisbon for 20 years but I’m getting itchy feet; there are so many countries I want to visit!
Behind someone’s back: to do something without them knowing. This is done secretly and in a way which can be unfair.
Example: My daughter is very sad because she discovered that her best friend had spoken behind her back.
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