天然的,天真的,不熟練的
Inartificial \In*ar`ti*fi"cial\, a. [Pref. in- not + artificial:
cf. F. inartificiel.]
Not artificial; not made or elaborated by art; natural;
simple; artless; as, an inartificial argument; an
inartificial character. -- {In*ar`ti*fi"cial*ly}, adv. --
{In*ar`ti*fi"cial*ness}, n.