how, what, alas, question mark, exclamation mark

えーと、パン粉は有ったかな？

Hmm, did we have some breadcrumbs?

ラジオをとめてくれないかなぁ。

I wish they would turn off the radio.

肘が痛むんだよ。病院に行こうかな。

My elbow really hurts. I guess I should go to a hospital.

今晩暇かな？

Are you free tonight?

晴れるのかなあ？

I wonder if it will be nice.

道間違えたかな？

Am I on the wrong road?

恋かな？

Is this love?

メモリが足りないのかなぁ。

I don't have enough RAM.

彼女の話は本当かな？

Is her story true?

彼はあした来るかな。

I wonder if he'll come tomorrow.