have a hunch that
I have a hunch that if we turn right here, we'll find it.
我有预感，倘若我们从这右拐的话，我们就能找到了。
I have a hunch that it will snow soon.
我有快要下雪的预感。
Some scientists have a hunch that a pregnant woman’s diet and her exposure to various chemicals turn on some fetal genes and turn off others.
有科学家有预感，怀孕的妇女的饮食和对各种化学物质的接触会打开一些致命的基因而关闭其他一些基因。