They nodded their heads and swung their arms and bodies to and fro all in perfect unison .
它们点头晃脑，手臂身体来回摆动，全体动作非常一致。
He leaned with one shoulder against a high board-fence and swayed the other to and fro the while kicking carelessly at the gravel .
他漫不经心地踢着石子，一个肩靠在高大的木栅栏上，另一个肩晃来晃去。
Cause this fine laddie is a wild sort of guy when he 's all busy dancing to and fro !
因为当他忙着跳舞时，这个美人可是很狂野
Semi-needle embroidery like and definitely not rocking to and fro because the time to embroider well is a vast .
绣半针就好了，绝对不会摇来摇去的，因为到时候绣好了，是一大片的。
I guessed vaguely from my mother 's signs and from the hurrying to and fro in the house that something unusual was about to happen .
母亲给我打着手势，人们在屋里匆匆地走来走去，我模模糊糊地预感到一件不寻常的事就要发生了。
The woman dropped her alpenstock on the rock and walked nervously to and fro clasping and unclasping her hands .
女人把她的带铁头的登山杖靠在岩石上，紧张地来回走动着，她的双手一会儿紧握一会儿又松开。
The room thrummed with the activity of packets fluttering to and fro like little digital moths around a digital streetlight .
房间里的活动数据包来回地跳跃着，就像围绕着数字路灯的数字飞蛾。
These are found on the surface of many of the body 's cells and sway to and fro in moving fluid .
这些是在体细胞表面发现的，并随着液体的流动而来回摇荡。
In dayton and everywhere else he was a hard taskmaster but this was no more than he demanded of himself : shuttling to and fro between continents staying up sleepless to read a book or to watch there 's something about mary