The streets were filled with people running to and fro about their tasks.(街上滿是為了工作跑來跑去的人。)

I paced the floor to and fro with heavy strides as if I was excited to fury by the observations of the men—but the noise steadily increased.(我邁著沉重的腳步地來回走著，仿佛我對這些人的調查感到很憤怒——但這種聲音越來越響。)

After some to-ing and fro-ing, Elsie and the children moved back to Louisiana.(幾番往復后，艾爾西和孩子們搬回了路易斯安那。)

As it shrieked and moaned, the poor little sufferer was blown to and fro like the hammer of a bell.(它在尖叫呻吟，這個可憐的小小受難者就像鐘錘一樣被吹來吹去。)

"I am making the bed now," the little girl called out again, while she ran busily to and fro.(“我正在收拾床鋪呢。”小女孩一邊忙著跑來跑去，一邊又叫道。)

When the shuttlecock was hit to and fro with a racket across a net, thegame was badminton.(雙方用球拍拍打毽子使它來來往往的越過網前，這種游戲就是羽毛球。)

The ray quivered to and fro, making her figure dim or distinct- now like a real child, now like a child's spirit- as the splendor went and came again.(那束光來回抖動，使得她的身影忽明忽暗——一會兒像個活生生的孩子，一會兒又像是孩子的精靈——隨著光忽明忽暗。)

She stood up and began to pace to and fro.(她站起來開始來回地踱步。)

He walked impatiently to and fro and finally turned his nose toward the Field of Wonders.(他急躁地來回走著，最后把鼻子轉向了神奇的土地。)

This to-and-fro approach is called a "rocking chair" design.(這種往回式方法稱為“搖椅(rockingchair)”式設計。)

Cal vow'd men fro cloysters, dead from tombs.