be precariously balanced

"The men are looking back 50 years to a moment when the world, and their own lives, was precariously balanced on the edge."

I stood up slowly, balancing precariously, as though not sure quite how to do it.

He made no reply, thinking of the hours when her life had balanced so precariously.

He balanced precariously with one hand on her shoulder, looking down into clear and angry gray eyes.

They balanced precariously at its tilted top, hanging on to each other.

You shouldn't be balancing precariously on anything in your condition.

Balancing precariously on one foot, I turn and take an experimental step back into the apartment.

For a moment as they balanced precariously it seemed that she would topple into the water herself.

My mother had to balance somewhat precariously on one hip near the edge of his hospital bed, but they managed.

Imagine a pyramid balancing precariously on its point, which is the presidential candidate.