through inattention
うっかりして
through lack of sleep
寝不足で
through [by] the agency of the wind
風の作用で
through the efforts of parents
親たちの努力によって
through [by] the good offices of a friend
友人の尽力で
through the rift between the clouds
雲間から
throughout (the length and breadth of) the land
全国津々浦々まで
throughout the land
全国津々浦々に
throughout the year [one's life]
１年じゅうずっと［生涯を通じて］
throw ... into confusion
…を混乱させる
