Tampering with a single enzyme can lead to untoward effects elsewhere.

破坏一种酶可能会导致在别处出现异常。

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Brings many untoward effects easily for the rest, causes the rest body and mind extreme pain.

容易给息者带来许多不良反应，使息者身心极度痛苦。

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Aim to improve the target activity of anticancer medicines and reduce their untoward effects.

目的提高现有抗癌药物的靶向性，降低其不良反应。

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The goal is not to protect the American economy from the untoward effects of the sequester, but to clear the way for his Progressive agenda by winning the House of Representatives in 2014.

FORBES: Boehner And Obama's Economic Confusion Breeds Bipartisan Disarray