よーいドンと言ったらスタートしてくださいの英語

get [go] off to a flying start

to begin to be confused

to launch out into extravagance―launch forth into extravagance

got off to a hot start

begin with vigor

get into mischief

to begin at the wrong end

Let us set to work at our leisure―weigh under easy sail.

to start to ask

make a start

begin vigorously

get off the ground

start afresh

to enter into conversation

to start a quarrel

Once you start, carry it on.

Please start that right away.

If you will please be quiet, we can begin.

Once you begin, you must continue.

Let's begin at the beginning.

Start reading where you left off.

Alright, let's get started.

As the preliminaries are over, we are ready to begin at any time.