seesawed

Libyans like to say their country is unpredictable, and over the past year, the nation has seesawed between danger and progress.

Thus we seesawed back and forth along a mile and a quarter of battle-line, with the firing equal in intensity from wing to wing.

So they seesawed with thighs crossed X-wise, all intermingled and merged together.

She just seesawed her car with three rapid back-and-forth jerks that sent showers of stones from her spinning wheels.

The score seesawed, until Whitman took the fifth and sixth games, and then Ware got the next four and the set.

For a moment the bowsprit of the latter seesawed threateningly along the jibstay of the smaller craft.