To Choke

Idiom: to choke

Example 1:

Sam: How did you do on your biology test this morning?

Todd: Oh man, I totally choked. I couldn't remember any of the information I studied last night.  I can't believe it.

Sam: Really? That's too bad.

Example 2:

Chrissy: I have my first piano recital this Friday night. I'm getting so nervous.

Jane: Don't worry. You'll do fine. You practice a lot, right?

Chrissy: Yeah, I've been practicing for hours everyday, but I'm afraid I'll get really scared when I see the audience. What if I choke and mess up the whole piece of music?

Jane: Try to calm down. You'll be ok.

Meaning: To choke is an idiom that is used to describe someone who totally fails at a moment when they are expected or hoping to perform well.

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Let Nature Take Its Course

Idiom: Let Nature Take Its Course

Example 1: 

My daughter Isabella is 17 years old. She just graduated from high school and I am worried about her. The thing is, she has never dated anyone. All her friends have gone on dates but her.

Should I try to help her? Or should I let nature take its course?

Example 2: 

Ted: My friend didn't study at all last term for his algebra class. I took the final exam one day before the rest of the class. After the exam, he wanted me to give him all of the answers.

Irene: He wanted you to cheat?! Well, did you give him the answers?

Ted: Oh, no. I let nature take its course: he failed the exam.

Meaning: To let nature take its course means to let things happen naturally with no interference from an outside source.

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