shake in one's shoes
از ترس بخود لرزیدن

to tremble with fear; to be afraid

EXAMPLE 1:  Brianna is scared of her French teacher, Monsieur Le Monster. Whenever he speaks to her, Brianna starts shaking in her shoes.

EXAMPLE 2: During the storm, Billy was hiding under his kitchen table and was really shaking in his shoes.
 

pay (sb) a compliment
 تعریف کردن از کسی

to give someone a compliment; to offer someone an admiring comment

EXAMPLE 1:  Professor Russo paid Jennifer a compliment. He said she had a beautiful smile.

EXAMPLE 2: Isn't it wonderful to pay someone a compliment? It makes them feel good, and it doesn't cost you anything!
 

on thin ice (with sb)
 احتمال بوجود آمدن دعوا بین کسی

to be in a dangerous position; to be temporarily on somebody's bad side

EXAMPLE 1: Joey was on thin ice with his mom after he spent his lunch money on candy bars. the movie theater with another girl.

EXAMPLE 2: Bill was on thin ice with his girlfriend after she saw him at

have one's heart set on
عزم خود را جزم کردن

to really want something

EXAMPLE 1: Nicole has her heart set on going to New York this weekend.

EXAMPLE 2: Did you really have your heart set on going to Harvard

lost cause
بی فایده بودن انجام کاری

something hopeless

EXAMPLE 1: Cindy spent five years studying Russian. Finally, she realized it was a lost cause. She would never learn it.

EXAMPLE 2: Jack needs to stop drinking so much coffee, but he's so addicted to caffeine that it's a lost cause