我觉得butterfly in my stomach 应该是 小鹿乱撞 的意思吧,鸡皮疙瘩英语有6种译法
goose flesh
goose skin
horripilation
gooseflesh(goose-flesh )
goose bumps;
goose pimples
可以说 I'm goosebumps all over when I see a snake
Inzaghi praised me after the goal and I still feel goosebumps (起鸡皮疙瘩) now".