(nà, ㄋㄚˋ) that; those; commonly pr. nei4 before a classifier, esp. in Beijing [CE-DICT]
是
(これ) (pn) (1) (uk) (See 何れ・1,其れ・1,彼・あれ・1) this (indicating an item near the speaker, the action of the speaker, or the current topic); (2) (hum) this person (usu. indicating someone in one's in-group); (3) now; (4) (arch) here; (5) (arch) I (me); (6) (arch) certainly; (P) [EDICT]
(tōng, ㄊㄨㄥ) to go through; to know well; to connect; to communicate; open [CE-DICT]
常
(えいきゅう(永久)(P);とこしえ(永久);とわ) (adj-na,n,adj-no) (1) (とわ tends to be more abstract) eternity; perpetuity; immortality; (2) (えいきゅう only) Eikyuu era (1113.7.13-1118.4.3); (P) [EDICT]