a. 恰好的, 时机适宜的, 适当的

[ adj ]
suitable or at a time that is suitable or advantageous especially for a particular purpose
<adj.all>
an opportune place to make campan opportune arrival

Opportune \Op`por*tune"\, a. [F. opporiun, L. opportunus, lit.,
at or before the port; ob (see {Ob-}) + a derivative of
portus port, harbor. See {Port} harbor.]
Convenient; ready; hence, seasonable; timely. --Milton.

This is most opportune to our need. --Shak.
※ -- {Op`por*tune"ly}, adv. --
{Op`por*tune"ness}, n.


Opportune \Op`por*tune"\, v. t.
To suit. [Obs.] --Dr. Clerke(1637).