toss-up

noun
🔊/ˈtɒs ʌp/
🔊/ˈtɔːs ʌp/
[singular] (informal)
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  1. a situation in which either of two choices, results, etc. is equally possible(两种选择、结果等的)同样可能,均等机会
    • ‘Have you decided on the colour yet?’ ‘It's a toss-up between the blue and the green.’“你决定了要什么颜色没有?” “在蓝色和绿色之间实在难以取舍。”🔊🔊
    Topics Preferences and decisionsc2