英和和英

undo the buttons of

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

to undo a button―unbutton one's coat

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

to sew on a button

to sew a button on

a push‐button traffic light

a buttonhole

fasten buttons

provide with buttons

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

a radio receiver that can be tuned by pressing buttons

A button has come off

A button is off.

to finger a button―fumble a button

A button comes undone

A shoe comes unbuttoned.

fasten with buttons

a button for forward track skipping

a button‐hole stitch

A button fell off.

a button that is pushed to ring a bell

A button is off.

A button comes off.

I pressed the button to turn the radio on.

to press a button

push the button down

a hole through which buttons are pushed

sew the button down

to sew on a button