直的
坦率的
正直的
准的
连续的（ straight的最高级 ）

Straight \Straight\, a. [Compar. {Straighter}; superl.
{Straightest}.] [OE. strei?t, properly p. p. of strecchen to
stretch, AS. streht, p. p. of streccan to stretch, to extend.
See {Stretch}.]
1. Right, in a mathematical sense; passing from one point to
another by the nearest course; direct; not deviating or
crooked; as, a straight line or course; a straight piece
of timber.

And the crooked shall be made straight. --Isa. xl.
4.

There are many several sorts of crooked lines, but
there is only one which is straight. --Dryden.

2. (Bot.) Approximately straight; not much curved; as,
straight ribs are such as pass from the base of a leaf to
the apex, with a small curve.

3. (Card Playing) Composed of cards which constitute a
regular sequence, as the ace, king, queen, jack, and
ten-spot; as, a straight hand; a straight flush.

4. Conforming to justice and rectitude; not deviating from
truth or fairness; upright; as, straight dealing.

5. Unmixed; undiluted; as, to take liquor straight. [Slang]

6. Making no exceptions or deviations in one's support of the
organization and candidates of a political party; as, a
straight Republican; a straight Democrat; also, containing
the names of all the regularly nominated candidates of a
party and no others; as, a straight ballot. [Political
Cant, U.S.]

{Straight arch} (Arch.), a form of arch in which the intrados
is straight, but with its joints drawn radially, as in a
common arch.

{A straight face}, one giving no evidence of merriment or
other emotion.

{A straight line}. ``That which lies evenly between its
extreme points.'' --Euclid. ``The shortest line between
two points.'' --Chauvenet. ``A line which has the same
direction through its whole length.'' --Newcomb.

{Straight-way valve}, a valve which, when opened widely,
affords a straight passageway, as for water.