curdle
verb [ I or T ] uk/ˈkɜː.dəl/ us/ˈkɝː.dəl/
（使）凝固;（使）凝结
If a liquid curdles, or you curdle it, it gets thicker and develops lumps.
Idiom
make someone's blood curdleidiom (also curdle someone's blood) 让…血液凝固;令…毛骨悚然
to fill someone with fear
The strange sound made his blood curdle. 那奇怪的声音令他毛骨悚然。
See also: bloodcurdling