彼はみかけ倒しの人間だ。

he; him; his; boyfriend

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

to (happen to) see; to notice; to catch sight of

to throw down; to bring down; to blow down; to fell; to knock down; to set (something) down on its side; to turn (something) on its side; to kill; to defeat; to beat; to overthrow; to trip up; to ruin; to leave unpaid; to cheat

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

human being; person; man; mankind; humankind; character (of a person)

be; is; indicates past or completed action; indicates light imperative