Literal translation: to tell salads
Avoir une faim de loup
Meaning: to be ravenous, famished
Literal translation: to have a wolf’s hunger
Il pleut des cordes
Meaning: It’s raining cats and dogs, It’s pouring rain
Literal translation: It’s raining ropes
Pédaler dans la choucroute
Meaning: To be at a complete loss, getting nowhere fast, spinning one’s wheels
Literal translation: To pedal in the sauerkraut
Passer du coq à l’âne
Meaning: to change the subject, jump from one subject to another, make a non sequitur
Literal translation: to pass from the rooster to the donkey
Fais gaffe !
Meaning: Be careful! Watch out!
Literal translation: Make mistake!
Quelle mouche t’a piqué ?
Meaning: What’s gotten into you? What’s the matter with you?
Literal translation: Which fly bit you?
Arriver comme un cheveu sur la soupe
Meaning: to turn up at a very awkward moment, to be completely irrelevant
Literal translation: to arrive like a hair on soup
Se fourrer le doigt dans l’œil
Meaning: To be kidding oneself, to be wrong
Literal translation: To stick one’s finger in one’s eye
Oh là là
Meaning: oh dear, oh my, oh no
Literal translation: oh there there
Meaning: late
Mon École-French School 
All these expressions are very funny. If you ever need help, it will be a pleasure for me to help !
Merci!
I hope you continue your learning of french language ^^ this is great ^^
de rien, ce sera avec plaisir !