unfavorable conditions; adverse conditions
Refers to circumstances that are disadvantageous or make something difficult. Often used in contrast with 好条件 (favorable conditions).
悪条件の中でも、彼らは最善を尽くした。
Even under unfavorable conditions, they did their best.
この地域の農業は悪条件に苦しんでいる。
Agriculture in this region is suffering from adverse conditions.