have not the least idea of

例句：

1. 1.I have not the least idea of how to fix this problem.
   我对如何解决这个问题一点头绪都没有。
2. 2. She has not the least idea of what she is supposed to do next.
   她对接下来应该做什么一点头绪都没有。
3. 3.He has not the least idea of how to solve this complex problem.
   他对解决这个复杂的问题一点头绪都没有。