最初は自分の力で頑張ってみての英語

First of all, you must be strict with yourself.

Why don't you try taking that on with your own strength?

First set your own house in order.

to gain something for oneself through effort or ability

of a person, to do one's work without any assistance

Tend to your own affairs first.

rely on one's own efforts

Please work hard in your own way.

to try something personally

Do your homework for yourself.

I've decided to try doing that myself.

Please look it up yourself.

To begin with, you must know yourself.

acquire for oneself before others can do so

Do it yourself.

You must attend to your work.

a condition of being in high spirits only at the beginning

first you must learn the fundamentals

I can do it alone.

You can take your time.

Do it yourself.

the initial stage in accomplishing something

brought about by yourself

I'll take care of it myself.

the popular wisdom that says that it is difficult to be the first to do something

Do it for yourself.

The first thing I had to do was to prepare myself to face my disease.

Try and do your homework by yourself.

to begin to take responsibility for something yourself

Your own ability will procure you the rest.