if (someone) thinks about, when (someone) thinks about
よく考えたらそこまで面白くなかった。
Now that I think about it, it wasn't that funny.
どう考えたらいいのこれ以外なら何でも悲惨!
How am I supposed to think about it? Anything other than this would be disastrous!
— Бриллиантовая рука (1969)
俺がそんなこと考えたらおかしいかい。
Would it be strange for me to think that?
頭の痛いことを考えたら
When I thought about something troubling...
— 別れる決心 (2022)
変なこと考えたら刺身にするからね
If you get any funny ideas, I'll turn you into sashimi.
— オールド・ボーイ (2003)