すぐに諦めて昼寝をするかも知れない。

tbd

I may give up soon and just nap instead.

也许我会马上放弃然后去打盹。

I may give up soon and just take a nap.

彼らのコミュニケーションは我々が考えてきたものよりはるかに複雑かもしれません。

tbd

Their communication may be much more complex than we thought.

そこで私たちを待っている幸福が、私たちが望むような幸福ではないかもしれない。

tbd

It may be that the happiness awaiting us is not at all the sort of happiness we would want.

当面の問題には関係ないかもしれません。

tbd

This might not have anything to do with the problem at hand.

末弟は悪くないかもしれない、けれど私も悪くない。

tbd

It mightn't have been my youngest brother's fault, but it wasn't mine either.

君らしくないかも知れないが、せめて礼儀くらい守ったらどうだ。

tbd

You could at least try to be a bit more polite, even though it's not like you.

自分の目耳で見聞きしていないものは、本当かもしれないが、本当ではないかもしれない。

tbd

What you don't see and hear with your own ears and eyes might be true, but it might also not be true.

やりがいはあるけれどもリスクと労働時間を考えると・・・、ものすごく損な商売なのかもしれませんね。

tbd

It's a job worth doing, but if I think about the working hours and the risk ... I could be onto a real losing proposition here.

愚かな行為をしたのかもしれないと思い始めた。

tbd

I started to think I'd behaved foolishly.

I started to think I had behaved foolishly.

彼はまた曖昧な事を言うかも知れない。

tbd

He may well just say something ambiguous again.

He might say something ambiguous again.

He might possibly say something ambiguous again.