テレビでは、我が国の将来の問題を誰かが深刻な顔をしてしゃべっている。

tbd

On TV someone with a serious look on his face is talking about the problems of our country's future.

誰か英語を話す人はいますか。

tbd

Is there anyone who speaks English?

Is there an English speaker here?

他の誰かが彼女を幸せにしたとしても彼女が幸せなら、それで良い。

tbd

Even if it was somebody else who made her happy, as long as she is happy, that's fine.

誰かが無理してまであなたを手伝ってくれた時にはお礼状を書きなさい。

tbd

Write a thank-you note when someone goes out of his or her way to help you.

今日の議題は生徒会の改選についてです。誰か立候補したい人がいたら手を挙げてください。

tbd

Today's agenda concerns the re-election of the student council. If anybody wishes to stand as a candidate, please raise your hand.

今朝こんなの無かったけど・・・誰かが不法投棄したみたい。

tbd

This wasn't here this morning ... looks like somebody's been fly tipping.

なんか誰かに雰囲気似てるなあと思ってましたが、言われてみてああそうそうですね。確かにZZ TOPってこういう感じでしたよね。

tbd

I had a nagging feeling that the atmosphere resembled somebody and, now that you mention it, yes, you're right. Certainly ZZ TOP had this kind of feel.

隣の部屋で誰かの話し声が聞こえる。

tbd

我听见隔壁房间有人说话。

I can hear someone talking in the next room.

隣の部屋で誰かが動き回っているのが聞こえますか。

tbd

Do you hear someone moving in next room?

Do you hear someone moving around in the next room?

明らかに誰かが嘘をついている。

tbd

顯然有人在撒謊。

Someone is obviously telling a lie.

Obviously, someone is lying.