| 落后 | luo4 hou4 | to retrogress |
| 倒 | dao4 | however |
| 向后 | xiang4 hou4 | backward |
| 下游 | xia4 you2 | downflow |
| 颠倒 | dian1 dao3 | deranged |
| 往复 | wang3 fu4 | to go and come back |
| 倒数 | dao4 shu4 | inverse number |
| 回流 | hui2 liu2 | reflux |
| 逆向 | ni4 xiang4 | backwards |
| 倒流 | dao3 liu2 dao4 liu2 | backflow |
| 倒车 | dao4 che1 | to drive backwards |
| 逆 | ni4 | to turn |
| 退步 | tui4 bu4 | leeway |