その噂は本当であるはずがない。

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...

rumour; rumor; report; hearsay; gossip; common talk

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

truth; reality; actuality; fact; proper; right; correct; official; genuine; authentic; natural; veritable

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

a certain ...; some ...

expectation that something took place, will take place or was in some state; it should be so; bound to be; expected to be; must be; nock (of a bow); nock (of an arrow); nock-shaped grip (between thumb and forefinger); wooden frame on the tip of the mast of a Japanese ship that prevents the hawser from falling out

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

nonexistent; not being (there); unpossessed; unowned; not had; unique; indicates negation, inexperience, unnecessariness or impossibility; not ...; to not be...; to have not ...