be in a puzzle

基本解释

It seems to be a key piece in the puzzle of how our skin is formed and maintained throughout life.
这似乎就是皮肤是如何形成的和整个皮肤生命周期的维持这一个谜的关键部分。
We enjoy being able to be a piece in this puzzle of awakening to new values of life, of beauty, of wisdom and of health — and we thank everybody who participates in this goal.
我们也因为能够成为唤醒新的生命、美、智慧和健康的一份子而感到荣幸-我们也由衷地感谢所有为这个目标而奋斗的人们。
blog.sina.com.cn
In current China, the existing problems of the objects of Marxist beliefs mainly display in: the theory object is lagging behind, which causes the people to be in a puzzle about Marxist beliefs;
当前中国马克思主义信仰客体存在的问题主要表现在：理论客体的时空界限，引起人们对马克思主义信仰的困惑；

In other words, a crossword puzzle may be a good remedy for an ailing attention span.
FORBES: Health
The biggest challenge will be to crack the pricing puzzle and get impaired loans moving in a way that works for banks, vulture-investors and the taxpayer.
ECONOMIST: America's bank bail-out
It is however a needed piece in the overall awareness puzzle that will be available to school children and organizations globally.
FORBES: Connect