The state of Qin became weaker and weaker.

秦国变得越来越弱。

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Day by day he became weaker.

他的身体一天天变虚弱。

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He became weaker and weaker after the serious illness.

一场重病，使他的身体越来越衰弱。

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But analysts say that as his stance shifted towards the US, his backing in Iran became weaker among Iranian conservatives but stronger among reformists.

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After his last sight of the pathetically stricken Brahms, stooped and fumbling with sausages over the stove, Mahler curiously burst out to a friend that he himself wanted to die at the height of his powers, before his works became weaker.

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The outlook for foreign arms sales just became dramatically weaker.

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