YOU SAID:

I got chills, they're multiplying

INTO JAPANESE

私は寒気を覚えました、彼らは増殖しています

BACK INTO ENGLISH

I felt chilly, they are proliferating

INTO JAPANESE

寒く感じました、彼らは増殖しています

BACK INTO ENGLISH

I felt cold, they are proliferating

INTO JAPANESE

私は寒さを感じました、彼らは増殖しています

BACK INTO ENGLISH

I felt cold, they are proliferating