up-and-down

Mrs. Clarke spoke in that overly sweet, up-and-down singsong tone grown-ups sometimes use to steer children past awkward moments.

Of those surface waves, Love waves shake from side to side, while Rayleigh waves roll in circles, creating up-and-down motion at the surface.

A 2-0 win over Porto in his Europa League opener was followed by some up-and-down results, including a draw with Manchester United.

Normally stalling storms tend to be dying out, as they pull up cold water from the depths of the ocean and are exposed to wavy, up-and-down winds in the atmosphere tearing them apart.

At that point, Yoshinobu Yamamoto was mired in an up-and-down stretch following his All-Star selection in the first half of the year, raising worries he could be tiring en route to making a career-high 30 starts.