YOU SAID:

You don't know what he is hiding. His dog looks very suspicious

INTO JAPANESE

あなたは彼が何を隠しているのか分からない。彼の犬は非常に疑わしいように見える

BACK INTO ENGLISH

You do not know what he is hiding. His dog seems very suspicious

INTO JAPANESE

あなたは彼が何を隠しているのか分からない。彼の犬は非常に疑わしいようです

BACK INTO ENGLISH

You do not know what he is hiding. His dog seems very suspicious