英和和英

liable to rock

to move in a swinging motion

the state of being wavering

to shake intensely

the action of rocking something

to shake or flourish about

to vacillate

of a bird, to descend with irregular flapping movements

sway to and fro

of something, to shake and move

of a thing to tremble

swing forward

The pendulum is swinging.

Dancing flames

an unsteady rocking motion

a quaking bog

move, rock, or sway from side to side

moving in a swaying manner

of something, to shake

The shaking began to slowly get less.

of a fixed thing, to swing

the action of the earth's surface quivering

I had a hard time deciding on it.

A cradle rocks from side to side.

of the ground, the action of recurring shakes following the initial, major earthquake

The house shook

of the ground, to shake again after the initial, major earthquake

of a fixed object, to begin swaying

I felt a extremely strong vibration.

of a thing, to shake once again in reaction