上上下下；到处；前前后后；来来往往
ups and downs───n.沉浮；盛衰；高低
up and down───上上下下；到处；前前后后；来来往往
sand down───用砂纸磨光表面
stand down───退出（比赛或竞选）；离开证人席；退职；顺潮航行
tostand down───退出
jumpup and down───上下跳
hand down───宣布；把…传下去
plane down───刨平
send down───把…向下发送；使下降（价格等）；开除
You get theseups and downin football so it's up to me to get back on the ladder in English football.───在足球世界里你总会遇到起伏，所以现在能否成为英格兰联赛的球员，都取决于我本人。
After severalups and down, it finally made it to publication, and I was so happy to receive the overwhelming support of my readers.───几起几落之后，它终于出版了，读者的支持潮水般势不可挡地涌来，我开心极了。
Therefore, the macro-control of the real estate market is one measure to avoid the economy bigups and down, can control the mortgage.───因此，对房地产市场进行宏观调控，是避免经济大起大落和控制住房抵押贷款价格波动进而控制风险的有效措施之一。
Embrace your life with all theups and down.───拥抱你生活中所有的起起落落。
The application of fair value in our country has experiencedups and down.───因此，公允价值的应用一波三折就在所难免。