ナンシーは犬が怖い。

ナンシーは犬が怖い。

Nancy is afraid of dogs.

ナンシーは犬(いぬ)が怖(こわ)い。

Nanshi- wa inu ga kowai.

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

犬 (いぬ)

dog (Canis (lupus) familiaris); snoop (i.e. a detective, a spy, etc.); loser; asshole; counterfeit; inferior; useless; wasteful

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

怖い (こわい)

scary; frightening; eerie; dreadful; (I'm) afraid

Readings: ケン、いぬ、いぬ-

Meaning: dog

Readings: フ、ホ、こわ.い、こわ.がる、お.じる、おそ.れる

Meanings: dreadful, be frightened, fearful