Fate as hand palm, no matter how tortuous, is always in their own hands.
1. n. 宿命，天数，命运
By some freak of fate,he won an enormous sum of money.
They ascribed their disaster to an unkind fate.
You can't be the master of your own fate but you can make your own choice.
2. seal one's fate注定要失败，在劫难逃
Running out of cash can be enough to seal the fate of the company.
The only access to the top is a tortuous mountain route.
The future is bright while the road ahead is tortuous.
The relations between China and the US have experienced a complicated and tortuous course.