n.[C]

1. 外形；轮廓[（+of）]
   The outline of Italy suggests a boot.

   意大利的轮廓像一只靴子。

2. 略图；素描[（+of）]
   Make an outline of the scene before you paint.

   在上颜料之前先给此景画一个素描。

3. 提纲，概要；要点；草案[（+of）]
   These reports give an outline rather than the details.

   这些报告只给了一个大纲，而没有提供细节。

vt.

1. 画出……的轮廓，画……的略图
   Outline a map of North America.

   画一幅北美的略图。

2. 概述，略述
   He listened as I outlined my reasons.

   他听我扼要地叙述了我的理由。

n.

1. a line or lines enclosing or indicating the shape of an object in a sketch or diagram.
   ▸the outer edges of an object.
2. a representation of a word in shorthand.
3. a general plan showing essential features but no detail.

v.

1. draw or define the outer edge or shape of.
2. give a summary of.