when you come to think of it
when you stop to think about it
考えられぬ
think hard [carefully] about something
give a great deal of thought to something
まじめに考える
think seriously about something
【形式ばった表現】 give serious thought [consideration] to something
stop to think 《about something, something over》
思考すること
考えよう
考えとく
つくづく考える
to think and think―think hard―think a matter over and over―turn a matter over in one's mind
自分が考える
とくと考える
少し考える
to think about something for awhile
うすっぺらく考える
the act of thinking about something for a while
考えてみて
have second thought
思慮深く考える
じっくりと考える
大きく考える
翻って考える
前もって考える
考えるようになる
反省して考える
深く考えること
the act of carefully considering something
比べ考える