1·The final reason for concern arises from the vagaries of the financial crisis.
最后一个担心的理由是金融危机的变幻莫测。
2·However, because of the vagaries of the European weather the P-38's fuel system and engines proved to be chronically unreliable, resulting in no end of malfunctions and poor mission effectiveness.
然而在欧洲变幻莫测的气候环境中，P - 38的燃油系统和引擎被证明极不可靠，导致故障不断，执行任务效率低下。
3·I love looking at the sky, look at those vagaries of the clouds, the wind was too ambiguous.
我爱仰望蓝天，看那些变幻莫测的云朵，被风刮得若即若离。