英和和英

to fasten a coat with buttons―button up a coat

fasten buttons

undo the buttons of

a buttonhole

Close the cap

Screw the cap back on

wrench off the lock

fasten with buttons

a duplicate key

a keyhole

the knob of door

the breech-operating mechanism

to sew on a button

to sew a button on

to undo a button―unbutton one's coat

to undo a button―（上衣のボタンなら）―unbutton one's coat

to shut up a door―close up a door

an act of shutting the door

to finger a button―fumble a button

A button comes undone―（靴のボタンなら）―A shoe comes unbuttoned.

latch the door

to sew on a button

sew the button down

to fasten one's coat with buttons―button one's coat

provide with buttons

a device that is used to open and close the barrel of a gun, called

a button on a coat

to pick a lock

to pick a lock

an unsealed letter