He knows our weaknesses, whether it be in or away.

I know the strength of white men, and their weakness.

Good old available Joe, who knew her weaknesses so well.

He knew his weaknesses and had to be careful about giving in to them.

I knew him too well, all his weaknesses and fears.

"I know the strengths and weaknesses of all my men well enough."

Ed knows my weakness, and every time things go well he brings me something new.

One who knew his weakness could exploit it when necessary.

It is their business to know the strengths and weaknesses of each department's case.

"I've still got the disease and I know my weaknesses," he said.