眼睛疲勞 (ngaan5 zing1 pei4 lou4) — eyestrain in Cantonesengaanˏ₅眼zingˉ¹睛peiˎ₄疲louˎ₄勞简 眼睛疲劳Mandarin Pinyin: yan3 jing5 pei2 lao2Meaning of 眼睛疲勞nouneyestrain