考え物

かんがえもの

something that requires thought; something that should be thought over carefully; something questionable; puzzle

Also written 考えもの

Meaning

n
something that requires thought; something that should be thought over carefully; something questionable
n
puzzle; riddle

Example sentences

仕事が忙しすぎるのも考えものだけど、時間が余るのもなぁ。

Being too busy with work is a problem, but then so is having too much free time.
ハワイみたいにあまり日本人が多いのも考えものだけど、ある程度日本人が近くにいた方が多少心強い。気持ちの問題かもしれないけど。

I'm not sure about Hawaii, where there are also many Japanese, but I do find that having at least some Japanese around can be reassuring. That's how I feel.