あぁ　それでも 微笑み微笑み
Readingほほえみ
MeaningSmile が 咲く咲く
Readingさく
MeaningBloom 理由理由
Readingりゆう
MeaningReason, Motive は

Aa soredemo hohoemi ga saku riyū wa

一つ一つ
Readingひとつ
MeaningOne じゃなくて、  僕僕
Readingぼく
MeaningI (Male) ら 二人二人
Readingふたり
MeaningTwo persons だろう

Hitotsu janakute bokura futaridarou

It takes two, it takes two to make you smile

Ahh There's not only one reason that makes the smile blooming
It's ours, right?
It takes two, it takes two to make you smile

君君
Readingきみ
MeaningYou に 気付かれなくて気づく
Readingきづく
MeaningTo become aware of, To notice も　  聴こえなくて聞こえる
Readingきこえる
MeaningTo be heard, To be audible も

Kimi ni kidzuka renakute mo kikoenakute mo

君君
Readingきみ
MeaningYou と 僕僕
Readingぼく
MeaningI (Male) の 足音足音
Readingあしおと
MeaningFootsteps を 揃えて揃える
Readingそろえる
MeaningTo arrange, To put in order, To prepare みよう

Even if you didn't notice, even if you didn't hear,
Let's sync our footsteps sound.

誰にも誰にも
Readingだれにも
MeaningTo anyone, To everyone その 行先行先
Readingいきさき
MeaningDestination は 見えなくて見える
Readingみえる
MeaningTo be in sight​ も

Darenimo sono yukusaki wa mienakute mo

目目
Readingめ
MeaningEyes の 前前
Readingまえ
MeaningFront (of something) に 見える見える
Readingみえる
MeaningTo be in sight​ 景色景色
Readingけしき
MeaningScenery は 君君
Readingきみ
MeaningYou と同じ同じ
Readingおなじ
MeaningSame さ

Me no mae ni mieru keshiki wa kimi to onaji sa

今今
Readingいま
MeaningNow のままでそばにいて 欲しい欲しい
Readingほしい
MeaningWished for よ

Ima no mama de soba ni ite hoshii yo

Even there's no one sees the destination,
But the scenery I see in front of me looks as same as you.
I want you to be with me like this.

あぁ　それでも 膨らんだ膨らむ
Readingふくらむ
MeaningTo expand 夢夢
Readingゆめ
MeaningDream に 期待期待
Readingきたい
MeaningExpectation してしまって

Aa sore demo fukuranda yume ni kitai shite shimatte

叶わなかった叶う
Readingかなう
MeaningTo come true (of a wish, prayer, etc.) 時時
Readingとき
MeaningTime, Hour がっかりしないでくれ

Kanawanakatta toki gakkari shinaide kure

Ahh Still, I was excepting for a dream that keeps expanding.
Don't be disheartened when the dream doesn't come true.

あぁ　それでも 止まらず止まる
Readingとまる
MeaningTo stop (moving) 進める進める
Readingすすめる
MeaningTo advance 理由理由
Readingりゆう
MeaningReason, Motive は

Aa soredemo tomarazu susumeru riyū wa

一つ一つ
Readingひとつ
MeaningOne じゃなくて、  僕僕
Readingぼく
MeaningI (Male) ら 二人二人
Readingふたり
MeaningTwo persons だろう

Hitotsu janai, bokura futaridarou

It takes two, it takes two to be alive

Ahh Still, there's not only one reason that makes me keep moving forward.
It's ours, right?
It takes two, it takes two to be alive

わがままだと言われても気づかずにいよう

Wagamamada to iwa rete mo kidzukazu ni iyou

目には見えない幸せがそばにあるから

Me ni wa mienai shiawase ga soba ni arukara

辛い日々でもここにいて欲しいよ

Tsurai hibi demo koko ni ite hoshī yo

Don't mind if someone told you a selfish one.
Since there's happiness by your side that your eyes can't see.
Even every day is painful, I still want you to be here with me.

あぁ　それでも 涙涙
Readingなみだ
MeaningTear が 流れる流れる
Readingながれる
MeaningTo stream 理由理由
Readingりゆう
MeaningReason, Motive は

Aa soredemo namida ga nagareru riyū wa

一つ一つ
Readingひとつ
MeaningOne じゃなくて、  僕僕
Readingぼく
MeaningI (Male) ら 二人二人
Readingふたり
MeaningTwo persons だろう

Hitotsu janai, bokura futaridarou

It takes two, it takes two to make you cry

Ahh Still, There's not only one reason that makes tears stream out.
It's ours, right?
It takes two, it takes two to make you cry

ถ้าหากฉันอยู่คนเดียว อย่างเปล่าเปลี่ยวหัวใจ

(Thai) Hark chan yu kon deaw yang prao peaw hua jai

ไม่เจอ ไม่ผ่านไม่พบ ว่ารักเป็นยังไง

Mai jer mai parn mai pop wa rak pen yan ngai

ก็คงกอดความเหงานั้นเอาไว้

Kor kong gord kwam ngao nan ao wai

It takes two, it takes two to make you smile

If I'm alone and lonely,
haven't found what true love is.
Still holding this loneliness.
It takes two, it takes two to make you smile

Lyrics from Lyrical Nonsense
Translated by elvinXCs
For any further translation usage, please kindly give me a credit.