A: How do you plan to spend your holiday?
B: I had thought of going to Europe for a month.
A: Good idea!
B: But my failure in the final exam will send everything up in smoke.
send something up in smoke：使……化为乌有
e.g. The crashed stock market sent his life savings up in smoke.
1. think of：考虑，想着
e.g. Does she really think of adopting teaching as a profession?
e.g. Think of the end at every beginning.
2. failure in：在……方面上的失败
e.g. His failure in the competition humbled him.
e.g. He was upset by his failure in the exam.