英和和英

open cover

an open window

open

reeve an opening

to open (something) completely

to open and shut

an unsealed letter

to extract the square root （of a number）

Open the screen

an open door

slightly open

to close a banquet―（西洋なら）―go to the drawing-room

to open a gate

to expand the chest

open the door

come open suddenly

jerk a window open

to open a package

undo the parcel

an open ceiling

an open port

a hinged door

open wide

to open the gate

break the window open

to make a beginning―pave the way for something

to pave the way for something

open the gate

of a thing, to open to its full width

close the window