(zài, ㄗㄞˋ) (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress) [CE-DICT]
這
(zhè, ㄓㄜˋ) this; these; (commonly pronounced zhei4 before a classifier, esp. in Beijing) [CE-DICT]
麼
(me, ㄇㄜ˙) suffix, used to form interrogative 甚麼|什么, what?, indefinite 這麼|这么 thus etc [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]