(tōng, ㄊㄨㄥ) to go through; to know well; to connect; to communicate; open [CE-DICT]
要る
(いる) (v5r,vi) to need; (P) [EDICT]
ん
() (prt) that being the case; because of ...; the reason is ....; given that...; (P) [EDICT]
() (exp) the expectation is that ...; the reason is that ...; the fact is that ...; it is that ...; (P) [EDICT]
だ
() (prt) (1) (as …たり…たり, after the ren'youkei forms of multiple verbs) -ing and -ing (e.g. "coming and going"); (2) (used adverbially) doing such things as...; (3) (as …たり…たり at sentence-end, after the ren'youkei forms of a repeated verb) expresses a command; (aux-v) (4) (たり only) (arch) (from とあり) (See たる) (after a noun) to be; (5) (たり only) (arch) (from 〜てあり, after the ren'youkei form of a verb) indicates completion or continuation of an action; (P) [EDICT]
() (prt) (1) (fam) marks wh-question (what, where, who); (2) (chn) strengthens one's judgment or conclusion; (P) [EDICT]
() (exp) if it's the case; (P) [EDICT]
() (prt) even [EDICT]
() (suf,prt) and; or; and the like; and so forth; and what not; (P) [EDICT]
() (exp) (1) (See でしょう) seems; I think; I guess; I wonder; I hope; (2) don't you agree?; I thought you'd say that!; (P) [EDICT]
