读音

/ˈdaʊtfl/

释义

• 形容词: 怀疑的；不确定的。例如: “She was doubtful about the plan’s success.”
• 名词: 怀疑；不相信。例如: “His doubtful expression showed he didn’t believe her.”

短语

• “in doubt” 表示有疑问或不确定。例如: “The outcome of the game is still in doubt.”
• “doubtful case” 指难以确定的情况。例如: “It’s a doubtful case whether he will attend the meeting.”

例句

• 形容词: “Despite his claims, many people remained doubtful about his story.”
• 名词: “Her doubtful look made him reconsider his argument.”

同义词

• uncertain
• skeptical
• unsure
• hesitant
• unconvinced