'little weakness' is a correct and usable phrase in written English.
You can use it to describe something either small or insignificant or to suggest that something is not entirely without flaws. For example, "She was a very strong leader overall, but she had a few little weaknesses."
What about a minor stroke, he said — a little weakness on one side?
By the end of '99 we began to see a little weakness and a fair number of new buildings.
Her big, dusky voice has cutting power in its top range, if a little weakness in the low register.
But unlike Ms Dreyfus's character, an ambitious female politician, the macho Mr Perry sees the value of signalling a little weakness.
The part of Gaveston is intelligently doubled with the smooth assassin Lightborn, so that the king's little weakness ultimately becomes his executioner.
In that sense, there's a slight concern about a little weakness, but the right word is I guess a 'smidgen,' not a whole lot". At that last meeting of the year, the major concern expressed was about inflation.
The discussion was, for just a moment, only about basketball, merely a recitation of what Coach Mike Jarvis saw as the little weaknesses in his team's game.
"But if she eats it," points out Rachel Kesel, a professional dog walker, "then it's food". "We all have our little weaknesses," says Kate Boyd, a schoolteacher and set designer.
I am sure manager Martin O'Neill will know all about that, and look to target Bosnia's other little weaknesses from an organisational point of view.
It's a more individual activity, you are in your own studio, all alone and you have your little secrets and your little weaknesses and you don't necessarily want to share this with other people.
He's got a little muscle weakness".
