TO HAVE THE HEAD IN THE CLOUDS = to be unaware or unrealistic about something. "some teenagers have their head in the clouds, they don't pay attention to important things"
TRUE!
LET THE HAIR DOWN = to have fun, relax. "She needs to let her hair down! She is always so stressed!"
TRUE!
BY THE SKIN OF ONE'S TEETH = to only just, barely achieve something. (to do something "por pouco"). "I passed my driving test by the skin of my teeth!"
TRUE
TO GET SOMETHING OFF YOUR CHEST = to tell someone about something that's been on your mind. "I need to get it off my chest and tell my boss I am unhappy."
TRUE!
TO GET COLD FEET = to bring or cause bad luck. "My brother has cold feet. Every time he watches a match, his team loses"
FALSE! The real meaning is: to (suddenly) feel nervous about doing something "I hope he doesn’t get cold feet before the wedding". What makes you get cold feet?
SEE EYE TO EYE = to have a conversation face to face. "This matter is too important, we can't discuss it over the phone. Let's see each other eye to eye"
FALSE! See eye to eye = to agree on something. "my mother and I usually have the same opinions. We see eye to eye on many different topics"
TO GIVE THE COLD SHOULDER: to intentionally ignore someone or treat someone in an unfriendly way: I thought she really liked me, but the next day she gave me the cold shoulder.
TRUE
TO GIVE/LAND A HAND = to help someone. "If you need any help moving I can lend you a hand"
TRUE!
BREAK A LEG = to put someone in a difficult/annoying situation. "My boss breaks my legs when he asks me to do lots of things right before my lunch break"
FALSE! It's used to wish someone good luck. "You are on stage tonight, right? Break a leg!"
ALL EARS = to be fully listening. "When my boyfriend starts speaking, I'm all ears!"
TRUE
TO COST AN ARM AND A LEG = to be very expensive. "I want to buy a new iPhone, but it costs an arm and a leg
TRUE
SWEET TOOTH = someone who is very kind to people. "My grandma is a sweet tooth. She gives me money every time I see her"
FALSE! "Sweet tooth" means a love of sweet things. "My grandma eats chocolate twice a day, she has such a sweet tooth!"
TO KNOW BY HEART = to have an emotional bond. "I know all of my friends by heart"
FALSE! to know something by heart means "to memorize it". "I know all of my favorite songs by heart, I don't have to read the lyrics"
PULL ONE'S LEG = to bully someone. "My little brother is having a hard time at school, his classmates pull his leg a lot"
FALSE! It means "to joke or tease someone". "Are you pulling my leg? Are you really moving away?"
TO CRY YOUR EYES/HEART OUT = to cry a lot. "Every time I watch sad movies, I cry my heart out"
TRUE
TO PLAY SOMETHING BY EAR = to pass on information without checking if it's entirely true. "Let me tell you something: I'm not really sure about it, I'm just playing by ear"
FALSE! It means "to do something without a plan". "We can't make a decision yet. Let's just play it by ear.".
TO KEEP AN EYE ON = to watch, monitor. "Can you keep an eye on my bike for a minute, please?"?
TRUE!