★ indicate vt.
① 指示;指出 to direct sb’s attention to sb/ sth, especially by pointing.
The arrow on a sign indicates the way to go.
② 表明;显示 to show that sth is probably true or exists
The study indicates a connection between poverty and crime.
③ 示意;暗示 to say or do sth to make your wishes, intentions clearly
In his letter, he indicated his willingness to cooperate.
He smiles and nods, indicating that everything is fine.
★ indication n. 迹象;象征;指示
★ indicator n. 指标，标志