その山にのぼることはたいへんおもしろい。

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...

mountain; hill; mine (e.g. coal mine); heap; pile; crown (of a hat); thread (of a screw); tread (of a tire); protruding part of an object; climax; peak; critical point; guess; speculation; criminal case; crime; mountain climbing; mountaineering; festival float (esp. one mounted with a decorative halberd); wall; wall tile; temple; temple grounds; wild

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to ascend; to go up; to climb; to ascend (as a natural process, e.g. the sun); to rise; to go to (the capital); to be promoted; to add up to; to advance (in price); to swim up (a river); to sail up; to come up (on the agenda)

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

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

very; greatly; immense; enormous; great; serious; grave; dreadful; terrible; difficult; hard; major incident; disaster

interesting; amusing