Meaning of the idiom "Turn a blind eye":

Meaning of the idiom "Throw in the towel":

Meaning of the idiom "Water under the bridge":

Meaning of the idiom "The ball is in your court":

Meaning of the idiom "Wear your heart on your sleeve":

Meaning of the idiom "Take it with a grain of salt":

Fill in the blank: "He is good ___ mathematics."

Meaning of the idiom "Speak of the devil":

Fill in the blank: "She apologized ___ her mistake."

Meaning of the idiom "See eye to eye":

Fill in the blank: "The book is full ___ interesting facts."