彼の犬がドアの後ろから現れた。

he; him; his; boyfriend

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

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

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

door (Western-style)

back; behind; rear

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

to appear; to come in sight; to become visible; to come out; to embody; to materialize; to materialise; to be expressed (e.g. emotions); to become apparent (e.g. trends, effects)