English translation of OST (A Certain Someone/The On1y One - Mou Mou)
https://www.youtube.com/watch?v=WxwoWVfEU_0 (Original Music Video)
https://www.youtube.com/watch?v=Y9npmXIR0k8 (With Pinyin Lyrics)

Verse 1:
Nǐ lái guò nǐ zǒu
You've come here, and you're leaving

wǒ ài guò wǒ tòng
I loved it though it hurts

wú fǎ yǒng bào de nǐ ràng wǒ zhuì luò
Though unable to hug you, you make me fall

-
wǒ shì zhe xiàng nǐ zǒu qù
I try to walk towards you

cái fā xiàn nǐ zǎo mò mò zài wǒ shēn hòu
I realised only then that you had been silently behind me

fǎng fú hēi yè yǔ bái zhòu zhǔ zǎi tiān kōng
As if night and day dominate the sky

-

gù shì de jìn tóu dào dǐ zài nǎ lǐ?
Where is the end of the story?

Shì bù shì ài qíng yóu shuí lái jiè dìng?
Who can define whether it is love or not?

Nà yàng de qīn mì méi yǒu rén néng dài tì
No one can replace that kind of intimacy

-

Reff:

wǒ men de xiāng yù rú yín hé de guǐ jī
Our encounter is like the trajectory of the Milky Way

bù néng jiǒng bì xiàng zhè yī chǎng dà yǔ
Can't avoid a heavy rain like this

wǒ men de qīng chūn rú dìng gé de shí jiān
Our youth is like time that is frozen

cǐ kè yǒng héng wǒ xiàng zhe nǐ kuáng bēn
I am running towards you, now and always

zài hēi àn gǔ dǐ nǐ huì jiē zhù wǒ de xīn
In the dark valley, you will catch my heart

-

Verse 2:

shuí yě zài táo bì mìng zhòng de zhù dìng?
Who is also running away from destiny?

Zuì yuǎn de jù lì bù shì wǒ ài nǐ
The farthest distance is not that I love you

shì wǒ zài zhè lǐ nǐ què bù gǎn kào jìn
I'm here but you don't dare to come close (to me)

-

Reff:

wǒ men de xiāng yù rú yín hé de guǐ jī
Our encounter is like the trajectory of the Milky Way

bù néng jiǒng bì xiàng zhè yī chǎng dà yǔ
Can't avoid a heavy rain like this

wǒ men de qīng chūn rú dìng gé de shí jiān
Our youth is like time that is frozen

cǐ kè yǒng héng wǒ xiàng zhe nǐ kuáng bēn
I am running towards you, now and always

-

Verse 3:

xiàn zài ràng wǒ men zì yóu de fēi ba
Now, let us fly freely

xiàn zài ràng wǒmen jìn qíng de ài ba
Now, let us love as much as we can

xiàn zài nǐ zhōng yú shì wǒ
Now, you are finally mine

wǒ zhōng yú shì nǐ
I am finally yours

-

Reff:

wǒ men de xiāng yù rú yín hé de guǐ jī
Our encounter is like the trajectory of the Milky Way

bù néng jiǒng bì xiàng zhè yī chǎng dà yǔ
Can't avoid a heavy rain like this

wǒ men de qīng chūn rú dìng gé de shí jiān
Our youth is like time that is frozen

cǐ kè yǒng héng wǒ xiàng zhe nǐ kuáng bēn
I am running towards you, now and always

zài hēi àn gǔ dǐ nǐ huì jiē zhù wǒ de xīn
In the dark valley, you will catch my heart