at the center of a political storm
政治的騒乱の真っ直中で
at the center of the scandal
スキャンダルの中心に
at [by, after] the close of ...
…の終わりに[終わるまでに,終わってから]
at the coal face
現場で
at the conclusion of the ceremony
儀式の終わりに
at the cost of illness
病気という犠牲を払って
at the cost of one's health
健康を犠牲にして
at the crack [the break] of dawn
明け方に
at [on] the earliest opportunity
機会がありしだい
at the end of one's patience [endurance]
忍耐の限界に達して