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to fear; to doubt; to have misgivings about; to worry about; to be anxious about; to be apprehensive about
彼の健康状態を危ぶむ声が周囲から上がっている。
Voices of concern about his health are rising from those around him.
専門家たちは工事の完成を危ぶんだ。
The experts had doubts about whether the construction would be completed.
多くの人が計画の実現を危ぶんでいる。
Many people are worried about whether the plan will be realized.