Definition
to have tears well up in your eyes, nearly leading to crying, due to experiencing intense emotions
眼眶湿润（因感动或其他强烈情绪）
At her graduation ceremony, she couldn't help but tear up when her family presented her with a letter.
在她的毕业典礼上，当她的家人递给她一封信时，她忍不住眼泛泪光。
He tears up every time he watches that movie because of its touching storyline.
每次他看那部电影时都会因为感人的故事情节而眼泛泪光。
After hearing her friend's success story, she felt so proud that she teared up.
在听到她朋友的成功故事后，她感到非常自豪，不禁眼泛泪光。