tiptoe through a minefield

one hundred and one

A great many; numerous.

jump through hoops

To put forth great effort to meet requirements, usually arbitrary, set…

herd cats

To attempt to control the uncontrollable; to attempt to manage a great…

err on the side of caution

To act in the least risky manner in a situation in which one is uncert…

hang by a thread

To be in danger, calling for precise caution; to be in a precarious si…

bark up the wrong tree

To take the wrong approach to a situation; to follow a false lead; to …