English idioms that use body parts – (English speaking Lesson)

source: Learn English with Let's Talk     2016年5月6日
English idioms that use body parts – (English speaking Lesson)
Blog : http://www.learnex.in/ body-idioms-english-speaking-lesson-impr­ove-your-english
In this English lesson you will learn some common English idioms based on the human body. Each entry includes the meaning of the idiom and shows the idiom in context in an example sentence.
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To beat one’s head against the wall. 
Meaning : To waste one's time trying hard to accomplish something that is completely hopeless.
Example : You're wasting your time trying to figure this puzzle out. You're just beating your head against the wall.

Sight for sore eyes
Meaning: A welcome sight.
Example : Oh, am I glad to see you here! You're a sight for sore eyes.

Pain in the neck
Meaning : To be very annoying
Example : My little sister won't leave me alone. She's a real pain in the neck.

To wash your hands off (something/someone)
Meaning : To end one's association with someone or something.
Example : That car was a real headache. I washed my hands of it long ago.

Weak at the knees
Meaning: if someone goes weak at the knees, they feel as if they might fall down because they have a sudden strong emotion about something or someone.
Example : The very thought of jumping out of an aircraft with a parachute made him go weak at the knees.

Cast iron stomach
Meaning : A very strong stomach that can withstand bad food.
Example : If I didn't have a cast-iron stomach, I couldn't eat this stuff.

Land on your feet
Meaning : To be in good or improved condition after a difficult experience.
Example : It may take a few months to get a job, but I'm sure you'll land on your feet.