英和和英

at the pressing of a button

Click the button

to press a button

push the button down

press a button

You have only to press the button.

to press the button

a click on the right button for example

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

to undo a button―unbutton one's coat

to finger a button―fumble a button

fasten buttons

provide with buttons

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

Press the button, and the bell will ring.

to sew on a button

to sew a button on

Did you push the button?

press the Enter key

A button comes off.

fasten with buttons

undo the buttons of

Push the button, please.

a way of activating by pushing a button

Press To Start

Just press this button.

a push button on the mouse

sew a button on

to finger a button

All you have to do is press the button.