low tide
noun
1- the state of the tide when at its lowest level低潮, 干潮, 枯潮：
islets visible at low tide.
低潮时显现的小岛。
1.1
- figurative a low or bad point〈喻〉（事物变化的）低落时期：
the larder had hit low tide.
柜里的食品余量已很少。