untoward

江戸川乱歩の短編小説 'Two Crippled Men'を読んでいます。夢遊病だと言われた男が又いつ夢遊病を発症して何か問題を起こすのではと心配しています。
The days dragged on, every daylight hour like a century of agony; yet they were nothing compared to the tortures that awaited me at night. Fearing the unknown, I dared not sleep except in snatches. At last, however, a whole month had passed without a single untoward incident, and I began to feel somewhat reassured. "Maybe the doctor was right after all," I told myself. "If I can just stop worrying, I'll be fine."

"untoward" の意味を調べます。
・Oxford English Dictionary: Unexpected and inappropriate or inconvenient.: Besides the huge medical waste, the untoward effects of using antibiotics is increasing rapidly.
・Collins Dictionary: If you say that something untoward happens, you mean that something happens that is unexpected and causes difficulties.: The surveyor's report didn't highlight anything untoward.
・Cambridge English Dictionary: unexpected and not convenient or unpleasant: Unless anything untoward happens we should arrive just before midday.
コロナもロシアのウクライナ侵攻も発生する前は "untoward" でしたね。