"an unknown quantity" in Chinese (Simplified)

• 未知数

Definition

一个价值、重要性或影响尚未明确的人或事；不可预测的因素。

Usage Notes (Chinese (Simplified))

多用于正式或分析场合（如商业、体育、政治），表示某人或某事的影响或表现无法预测，常形容能力或结果未知的人或事。

Examples

The new player is an unknown quantity on the team.

新队员是球队里的**未知数**。

This technology is still an unknown quantity to us.

这项技术对我们来说还是**未知数**。

She is an unknown quantity in the competition.

她在比赛中是**未知数**。

Investing in that market is an unknown quantity—it could go either way.

投资那个市场是**未知数**——结果可能好也可能坏。

He’s an unknown quantity in politics, so people aren’t sure what to expect.

他在政界是**未知数**，所以人们不知道会有什么发展。

With so many changes, the future remains an unknown quantity.

变化这么多，未来依然是**未知数**。