I've decided to do that by myself.とは 意味・読み方・使い方

I made the decision by myself.

I made up my mind to act on my own.

I decided this.

I've made up my mind.

I decided to get that.

I'm the one who made that decision.

I restrained my selfish behavior.

Now I have decided to resign myself [be resigned] to it [my fate].

I'm the one who made that decision.

I decided not to do such a foolish thing.

I have to choose this method.

That has decided me.

I've made up my mind.

I will have my own way.

Driven to my wits' end, I prepared to face the worst.

I'll decide not to do that.

I cannot decide that with just my own judgment alone.

I thought that it is fine with this method.

I renewed my determination.

I was compelled to do the work alone.

I decided not to try too hard.

After revolving the matter in my mind, I came to this decision.

I'd like to continue that with this method.

This is how I go about it.

I made a good decision.

I decided that on my own without consulting anyone.

My mind is made up.

I decided to be honest with myself.

Your wife and I decided that.

I was determined to help her at the risk of my life.