ボスでもラスボスでも『にげる』は必ず成功しますのでピンチになったらにげましょう♪の英語

'Run away' will always work even with bosses and the last boss, so when you're in trouble let's run away.

I will answer for my success with my life.

I don't care whether I succeed or fail

It does not matter whether I succeed or fail

Success or failure makes no difference to me

Success or failure is indifferent to me

Success or failure is all one to me.

If you fail after doing best, you can console yourself （for your failure） with the thought that you have left no means untried.

No matter if I fail once or twice, I shall be sure to succeed in time.

It never rains but it pours.

If you are daunted by a single failure, you can not succeed in anything.

to endeavor despite repeated failures

I don't care whether I succeed or fail

It does not matter whether I succeed or fail

Success or failure makes no difference to me

Success or failure is indifferent to me

Success or failure is all one to me.

It is rash to anticipate success.

If you should fail, don't lose heart.

Persevere, or you will fail.

popular wisdom that states that even a very wise person sometimes makes mistakes

You won't amount to anything, if you give up at your first failure.

Whether we win or lose, I won't have any hard feelings.

Don't get discouraged if you should fail.

I am not yet fallen so low as to beg.

Don't let a failure or two discourage you [《口語》 get you down].

Don't be so dejected just because you have failed once or twice.

the act of recovering after each failure

It is rash to anticipate success.

Make assurance doubly sure to preclude the possibility of failure.