perhaps
例
He is late, perhaps he missed the bus.
彼は遅れています、おそらくバスを逃したのでしょう。
02
おそらく
used to make an expression of opinion less definite or assertive
03
おそらく, たぶん
used when introducing a request, making an offer, or giving a suggestion politely
おそらく
おそらく, たぶん