If it's too weak, they may die of strokes.

FORBES: Magazine Article

It's performed by a trumpeter whose lungs were too weak to play on the song and was never a hit in its homeland, reaching number 116 in the charts.

BBC: Smashed Hits: How political is What A Wonderful World?

It was also that the commission's president, Jacques Santer, was too weak to control them.

ECONOMIST: A message for Europe

For all that the US recovery is seen in the US as too weak, one of the reasons it has been stronger than Britain's is that Americans can in effect borrow from investors, rather than banks, in a way that does not happen here.

BBC: Cable rehabilitates investment banking