对迩笑着说白白
[duì ĕr xiào zhe shuō bái bái]
'对迩笑着说白白' translates to 'Smilingly say Bai Bai to you'. The character 白 ('bai') has several meanings in Chinese culture like blank, innocent, vain, or even stupid when combined properly. Here this internet name might imply talking nonsense politely or ironically smiling at someone while saying something vague/insincere