[masa]

The subject of the first stanza is quite unclear. I've translated as "I go blank". But "You go blank" and "We go blank" are also possible. Which do you think is her intention? If you find any unnatural parts, please inform me.
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Giving a smile fit for each situation
Saying plausible words
I go blank
It's about time to end up pretending to be impassive

*No one can live alone
No one can live without love
Though they are matters of course
Now I keenly feel so

**You are blaming on this age
But what is the excuse for?
You see? To talk about love or dream
Is not uncool at all

Whom are the words for?
What is the process for?
What does it mean to live?
If there are definate answers, don't you think it's boring?

***I don't have to hesitate any more
I know what I want to protect
It's too late to turn back,
Which I know very well

****Yes, I stand up again and again
If there is a wall, we can break it
Don't you think our lives have only just begun?
So long as there is a way, we can open the door

* (repeat)
** (repeat)
*** (repeat)
**** (repeat)