no obj.
1- give out or reflect small flashes of light发出微光, 反射出微光：
her glasses were glinting in the firelight.
在炉火的亮光映照下她的眼镜微微发光。
1.1
- (of a person's eyes) shine with a particular emotion（眼睛表达某种情感时）闪光：
his eyes glinted angrily.
他的眼睛闪着愤怒的光芒。
1
- a small flash of light, especially as reflected from a shiny surface（尤指光亮的表面等所发出的）微光：
the glint of gold in his teeth.
他金牙的闪光。
1.1
- in sing. a brightness in someone's eyes seen as a sign of enthusiasm or a particular emotion（眼睛中显示热情或某种情感的）光亮：
she saw the glint of excitement in his eyes.
她看到他眼里闪着兴奋的光芒。
词源
Middle English （in the sense 'move quickly or obliquely'）： variant of dialect glent, probably of Scandinavian origin and related to Swedish dialect glänta, glinta 'to slip, slide, gleam'.