最さい悪あく時じ

noun, adverb

at the worst time; at worst; at the worst level

Used to describe a situation or condition at its most severe or unfavorable point. Can function as a noun or adverbially.

• 最さい悪あく時じのシナリオを想そう定ていして準じゅん備びする。

  Prepare assuming the worst-case scenario.

• この地ち域いきの最さい悪あく時じの交こう通つう渋じゅう滞たいはひどい。

  The traffic congestion in this area at its worst is terrible.