glitter
1(of a hard, wet, or polished surface) to reflect light in bright flashes
2(of light) to be reflected in bright flashes
3(usually followed by with) to be decorated or enhanced by the glamour (of) ? the show glitters with famous actors
twinkle
1to emit or reflect light in a flickering manner; shine brightly and intermittently; sparkle ? twinkling stars
2(of the eyes) to sparkle, esp with amusement or delight
3(rare) to move about quickly
4(also transitive) (rare) to wink (the eyes); blink
題目的上下文是說，當她聽到不好的消息（bad news），她的眼睛情不自禁地泛出了淚花。
由英文釋義不難看懂，twinkle往往指代壹種明亮的情感，開心的情感，是壹個稍帶褒義色彩的動詞，而glitter不壹樣，它只強調色調的對比，不帶有感情色彩