英和和英

of a closed thing, to start to open

to open again after closing

of a closed way, to start to open

to start to open a closed thing

to start to open a closed way

(of a door) left open

to close a thing that is open

come open suddenly

open involuntarily

the condition of being left open

to open and shut

being completely open

the act of opening something that has been closed

the action of opening and of shutting something

to burst open

open

being widely open

to extract the square root （of a number）

of a thing that was tightly closed, to begin to open

to leave something open

to open completely

The door is open.

to continue to open (something)

The curtain rises

The performance commences.

The plays begins

open formally

open violently

to open widely

to send a letter unsealed