to be attached; to be connected with; to remain imprinted; to scar; to bear (fruit, interest, etc.); to be acquired (of a habit, ability, etc.); to increase (of strength, etc.)
Examples (4 in total)
彼がどこへ行ったのかまったく見当がつかない。
I have no idea where he went.
メアリーがいつ到着するのかトムには見当がつかない。
Tom has no idea when Mary will arrive.
彼がこの次に何をするか全く見当がつかない。
I don't have the remotest idea what he will do next.