It [Everything] (has) clicked (into place).
急に腑ふに落ちた
It (just) so happened that my father was away on a trip.=My father happened to be away on a trip.
たまたま父は旅行中で不在だった
It (just) won't do (to be late).
(遅れるのは)だめだ
It accurately reflects reality.
正確に現実を反映している
It amounts to something like fifty dollars.
ざっと50ドルになる
It annoyed me that he was so late.
彼がそんなに遅れたのにはいらいらした
It appears like a circle.
円形に見える
It appears that there is [There appears to be] a misunderstanding.
なにか誤解があるようだ
It at last dawned on him that he was in danger.
彼は危険な状況にいることにやっと気がついた
It automatically writes over data.
データを自動的に上書きする