On the Road to To Infinity, 如果

rú guǒ if; in case; in the event that

在

zài (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)

空

kōng empty; air; sky; in vain

kòng to empty; vacant; unoccupied; space; leisure; free time

， 一

yī one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit

者

zhě (after a verb or adjective) one who (is) ...; (after a noun) person involved in ...; -er; -ist; (used after a number or 後|后[hou4] or 前[qian2] to refer to sth mentioned previously); (used after a term, to mark a pause before defining the term); (old) (used at the end of a command); (old) this

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