例文（１級）：discomfiture，stratagem

Despite facing discomfiture and obstacles along the way, he employed a
clever stratagem to achieve his goal.
(彼は困惑と障害に直面しながらも、巧妙な策略を駆使して目標を達成した。)

discomfiture： 困惑、挫折
stratagem： 策略、戦略