忽明忽暗to flash

• 星光闪烁

  starlight twinkles

• 灯光闪烁

  light flashes

冒出to shine

• 眼睛里闪烁着怒火

  eyes burning with anger

• 眼睛里闪烁着快活的神情

  a happy look shining in one's eyes

不直说to equivocate

• 闪烁其词

  equivocate

• 闪闪烁烁不肯直说

  equivocate and avoid speaking frankly

【理】scintillation