その箱はとても重かったので、私は持ち上げることができなかった。

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

box; case; chest; package; pack; car (of a train, etc.); shamisen case; shamisen; public building; community building; man who carries a geisha's shamisen; receptacle for human waste; feces (faeces); counter for boxes (or boxed objects)

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

very; awfully; exceedingly; (not) at all; by no means; simply (cannot)

heavy; weighty; massive; heavy (feeling); depressed; gloomy; blue; uneasy; slow; sluggish; lumbering; ponderous; clumsy; important; serious; grave; serious; severe; critical; solid; established; dignified; sensible

that being the case; because of ...; the reason is ....; given that...

I; me; private affairs; personal matter; secrecy; selfishness

to elevate; to raise; to lift up; to flatter; to extol; to praise to the sky

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

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

to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at; to be permitted (to do); to become intimate; to take up (with somebody); to grow; to be raised; to become pregnant