(dì, ㄉㄧˋ) (prefix indicating ordinal number, e.g. first, number two etc) [CE-DICT]
四
(し, よん) สี่ [LongdoJP]
(し(P);よん(P);よ) (num) four; (P) [EDICT]
(sì, ㄙˋ) four; 4 [CE-DICT]
の
() (prt) endorsing and questioning the preceding statement (sentence ending particle); lamenting reflections on the preceding statement (sentence ending particle) [EDICT]
() (prt) (1) although; when; and yet; despite this; in spite of; even though; but even so; but even then; however; nevertheless; for all that; notwithstanding that; (2) while; (3) if only; I wish; (4) I tell you; you should do; (5) in order to; (P) [EDICT]