このような義務があるなんて知らなかった。の英語

I never knew about such a duty.

At any rate, I did my duty.

I shall fail in my duty if I neglect to do this.

I shall fail in my duty if I neglect this.

I shall fail in my duty if I neglect it.

That absolves me from further responsibility.

At any rate, I did my duty.

At any rate, I did my duty.

At any rate, I did my duty.

I do this simply as a matter of duty.

You are not to neglect your duty.

That absolves me from further responsibility.

Is this a responsibility that has to be done for sure?

a failure to act when under an obligation to do so

I was determined to fulfill my duties at any cost.

You must do your duty.

failing in what duty requires

not from mere duty

Duty should come before anything else.

I tried to fulfill my duty.

to evade a duty―shirk one's duty

consider obligatory

to free one from obligations―release one from obligations―discharge one from obligations―dispense one from obligations

One should do one's duty.

one's bounden duty

You should carry out your duty.

We all have a duty to fulfill.

duty‐bound

someone amenable to persuasion

be obligated to do