n an unexpected and inexplicable change in something (in a situation or a person's behavior, etc.)
n. 奇想( vagary的名词复数 ); 异想天开; 异常行为; 难以预测的情况
1. The vagaries of the weather can affect our travel plans.
天气的变化无常可能会影响我们的旅行计划。
2. She learned to embrace the vagaries of life and adapt to new situations.
她学会了接受生活中的变化无常，并适应新情况。
3. The stock market is known for its vagaries, making investing a risky endeavor.
股票市场以其变化无常而闻名，使得投资成为一项风险很大的事业。