Our Spanish will never be good enough, our ties to Mexico never strong enough.

CNN: My Mexican-American identity crisis

German neurologists first described the most severe form of SMA in 1891, in which babies never become strong enough to sit up.

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He wanted to search the Web while wandering but could never get a strong enough wireless signal.

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Good intentions, and a range of strong performances, are never quite enough to quicken the pulse.

NEWYORKER: Munich

Everyone knows it is supposed to be strong enough to resist meteorites, but it has never been tested.

CNN: ASIANOW - TIME Asia | China: Inside China's Search for Its Soul