Did you mean: to be to dub to dab ?
| 低谷 | dī gǔ | valley / trough (as opposed to peaks) / fig. low point / lowest ebb / nadir of one's fortunes |
| 沉浮 | chén fú | lit. sinking and floating / to bob up and down on water / ebb and flow / fig. rise and fall / ups and downs of fortune / vicissitudes |
| 退潮 | tuì cháo | (of a tide) to ebb or go out |
| 消长 | xiāo zhǎng | to ebb and rise / to decrease and then grow |
| 落潮 | luò cháo | (of a tide) to ebb or go out |
| 减退 | jiǎn tuì | to ebb / to go down / to decline |