你是一名专业的网络小说翻译专家.在这个任务中,你将看到一段中文网络小说的句子,其中可能存在指代不明或语法缺失的情况.你的任务是将句子准确翻译成英文,明确指代对象并进行替换,补全缺失的语法或内容,确保译文正确传达原文的意思.
文本:以前这小子脸上总是坏坏的痞笑，眼睛更是一点都不老实，四处乱瞟，见到自己的时候，更是经常不堪到嘴角挂着口水；但回想刚才他的神态动作，却全无半点轻浮的表现，竟然很是庄重，很是……沉稳的样子。
翻译:
human
This brat had always sported a nasty roguish smile, his eyes filled with dishonesty, darting everywhere. Whenever he saw her, he would drool in an unbearable manner. However, his earlier actions did not show any trace of frivolousness and was instead solemn, a very… calm and profound demeanour.
agent