candid
adj.
1620s, "white," from Latin candidum "white; pure; sincere, honest, upright," from candere "to shine," from PIE root *kand- "to glow, to shine" (see candle). In English, metaphoric extension to "frank" first recorded 1670s (compare French candide "open, frank, ingenuous, sincere"). Of photography, 1929. Related: Candidly; candidness.
〔李〕[cand;-ida.] a.坦白的； 正直的 ←cand (L candere)=to blow, to be white 发光，变白