The percentage of false negatives generated by the cancer test is of great concern.

癌症检查的结果中，假阴性占一定比例的现象受到极大关注。

《牛津词典》

I just did great on the test. I can still feel some of the effects, but they are starting to wear off.

在考试当中，我的成绩很棒，到现在我仍然可以感觉到这药的效果，但是它们已经开始渐渐的消退了。

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He said the natural disaster and nuclear crisis were a "great test for the Japanese people", but exhorted them all to persevere.

他称自然灾害和核危机为一次“对日本人民的巨大考验”，这让大和民族整体更加坚韧。

youdao

Next summer will come the great test when Pietersen's side seek to regain the Ashes from Australia.

BBC: Pietersen focuses on more success

The Lewis Point is the great test for catch-up economies, when they can no longer rely on cheap labour, copied technology, and export-led growth to keep the game going.

FORBES: Does China's Shrinking Workforce Doom It To Economic Stagnation? Some Lessons From Germany

This afternoon William Hague spoke of the "great test of this generation" in a speech which was much more serious than the one his party's grown used to on the opening day of their conference.

BBC: David Cameron to focus on 'what really matters'