彼の言うことなんて信用したらだめだよ。

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

to say; to utter; to declare; to name; to call; to go (e.g. "the alarm went ping"); to make a noise

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

such as; (things) like; exclamation

confidence; dependence; credit; faith; reliance; belief; credence; trust

no good; not serving its purpose; useless; broken; hopeless; wasted; in vain; purposeless; cannot; must not; not allowed

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

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!