172. feel under the weather: 身体不适（口语） But unlike most people, when Judy begins to feel under the weather, she is down for the count. 但与大多数人不同的是，当朱迪开始觉得身体不适的时候，她已经被彻底击倒了。 weather the storm 渡过难关 You will weather the storm if you persist. 如果你坚持下去的话就能渡过难关。
173. peak season/high season: 旺季 low season/slack season: 淡季 The peak season for travel to and from Australia is October to February. 往返于澳大利亚旅游的旺季是十月至二月。 During the slack season of the year, flight tickets are sliding down to record lower prices. 在一年中的旅游淡季期间，飞机票会下滑至历史较低价格。
174. be dotted with: 点缀着 The wetlands will be dotted with these yellow blooms. 这片湿地将会点缀着这些黄色的花朵。 on the dot 正点，准时地 He arrived at the station on the dot. 他准时抵达了车站。
