英和和英

to sew on a button

to sew a button on

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

to undo a button―unbutton one's coat

fasten with buttons

a force-pump

fasten buttons

provide with buttons

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

undo the buttons of

to press a button

push the button down

press a button

to finger a button―fumble a button

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

a buttonhole

to press the button

a button‐hole stitch

a hole through which buttons are pushed

A button comes off.

sew the button down

to sew on a button

at the pressing of a button

A button comes undone

A button fell off.

A button has come off

A button is off.

Click the button

pop the clutch

sew a button on