英和和英

We'll open in a bit

reeve an opening

the opening salvo

open formally

the opening act

a splayed opening

to feel relieved―feel relief

open

come open suddenly

The curtain rises

The plays begins

The performance commences.

slightly open

to open completely

to extract the square root （of a number）

The school will be opened at an early date.

The door is open.

(of a door) left open

quite soon

be wide open

being widely open

opening a mine

become open

A bud unfolds itself.

to open (something) to excess

being completely open

to open a gate

to burst open

to open again after closing

to wad the openings