mismanage

Because, in fact, she did somewhat mismanage things last time, so one of the crucial “Can she govern?”

They are so simple in construction, that servants cannot mismanage them.

Yet Themistokles, rather than allow an ignorant commander to mismanage the war against Persia, bribed him to lay down his office.

She would marry Frank Randall; and between them they would mismanage, and ultimately ruin, the farm.

I can't conceive how he contrived to mismanage his affairs.'

And yet how sadly we mismanage men, and misuse opportunities.