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:然而，[他]半睡半醒之时，意志总是飘忽如同烟雾，难以控制，难以收束，他再怎么努力，依旧忍不住思维发散，杂念浮现。
翻译:
human
However, while still in his reverie, whatever will he could summon was ethereal like a fleeting fog. He found his thoughts difficult to control and introspect. No matter how much he tried, he still lost his focus as random thoughts surfaced in his mind.
agent