英和和英

to feel relieved―breathe again―breathe freely―give a sigh of relief―smoothe the ruffled brow of care

to open one's mouth wide―gape

to open one's eyes

of the eyes, the condition of the pupils being open

to open one's eyes wide

to open one's mouth wide―gape

to open one's mouth

to expand the chest

to close one's eyes

to open one's mouth―open one's lips

He has his mouth wide open

to make a beginning

an expression of openmouthed astonishment

undo the parcel

to dodge

to make a beginning―pave the way for something

to cause a person to close his/her eyes

to shut one's mouth―close one's mouth

to extract the square root （of a number）

His mouth is open

to begin a dispute―open hostilities

an act of turning down and opening a collar

to open―begin―commence

He is staring with his mouth open―with open mouth.

to continue to close one's eyes

the act of opening a lid

to dodge

to open a window―let up a window

to extract the cubic root of a quantity

come open suddenly