(何時も) (adv,n) (1) (uk) always; usually; every time; (2) never (with neg. verb); (P) [EDICT]
間違える
(まちがえる) (v1,vt) (1) to make a mistake (in); to commit an error (e.g. in calculation); (2) to confuse; to mistake something for something else; (P) [EDICT]
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]