一轮成败参半的谈判 a half-successful round
参半成败
Mixed success
以上为机器翻译结果，长、整句建议使用 人工翻译 。
科学家们也曾尝试利用互联网捐助者，但成败参半。
Scientists have tried to tap Internet donors, too, with mixed success.
youdao
遗憾的是，我在使用这种扩展时成败参半。
Unfortunately, I've had very mixed success with this extension.
他成败的机会参半。
He has an even chance of success.
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