/'ɪndɪkeɪt; `ɪndə,ket/
v
1 (a) [Tn, Tf, Tw, Dn.pr, Dpr.f, Dpr.w] ~ sth (to sb) show sth, esp by pointing 指示; 指出; 标示
*a sign indicating the right road to follow 指示应走道路的标记
* With a nod of his head he indicated to me where I should sit. 他点头示意我应坐的地方.
(b) [Tn, Tf, Tw] be a sign of (sth); suggest the possibility or probability of 象徵（某事物）; 表明或暗示...的可能性
*A red sky at night indicates fine weather the following day/indicates that the following day will be fine. 晚上天边红预示明朝天气好.
(c) [Tn] give (the specified reading or measurement) on a scale 在仪表盘上显示出（某读数、量度）
*The speedometer was indicating
95 mph. 速度计指示着每小时95英里.
2 [Tn, Tf, Tw, Dn.pr, Dp.rf, Dp.rw] ~ sth (to sb) state sth briefly or indirectly （简要或间接）表示某事物
*The minister has indicated that he may resign next year. 该大臣已示意他明年可能辞职.
* She has not indicated how she proposes to react. 她未表示打算做何回应.
3 [Tn esp passive 尤用于被动语态] show the need for or advisability of (sth); call for 显示需要（某事物）; 显示（某事物）可取; 要求
*With the government's failure to solve the problem of unemployment, a fresh approach is indicated. 鉴于政府未能处理好失业问题, 有必要采取新的措施.
* a diagnosis of advanced cancer indicating an emergency operation 诊断为晚期癌症, 急需动手术.
4 [I, Tf] signal that one's vehicle is going to change direction 发出改变行车方向的信号
*Why don't you indicate! 你为什么不打信号!
* He indicated that he was turning right, but then he turned left! 他发出右转信号, 却突然向左转了!

v
[Date: 1600-1700; Language: Latin;Origin: , past participle of indicare, from dicare 'to say publicly or officially']
[T]
to show that a particular situation exists, or that something is likely to be true
indicate (that)
　Research indicates that over 81% of teachers are dissatisfied with their salary.
　Long skid marks on the pavement indicated the driver had attempted to brake.
　The study indicates a strong connection between poverty and crime.
[T]
to say or do something to make your wishes, intentions etc clear
　The Russians have already indicated their willingness to cooperate.
　Professor Johnson has indicated his intention to retire at the end of next year.
indicate (that)
　Ralph patted the sofa to indicate that she should join him.
　Please indicate your preference on the booking form.
[T]
to direct someone's attention to something or someone, for example by pointing
　'That's her,' said Toby, indicating a girl on the other side of the room.
[T]
to represent something
　Sales targets are indicated on the graph by a vertical dotted line.
[I and T]BrE
to show the direction in which you intend to turn in a vehicle, using lights or your hands
= signal
　Don't forget to indicate before you pull out.