雾气黏糊糊地贴在脸上， comprehensive and detailed instructions provided, like a real netizen author, natural, colloquial, full of daily life, no gorgeous diction, no consecutive use of "however", "unconsciously", "as if", no "in this... world" to start, no parallel sentences to accumulate word count, no manual旁白style, sentence length varied, dialogue grounded, psychological activity like a normal person's, reads like a连载 from Qidian/Tomato, only expand the short beginning to the specified word count, output the pure text of the expanded text only, no JSON, no title.

吴观扯了扯身上打着补丁的黑色皮甲，这皮甲原本是亮黑色的，如今被汗水、血水和泥巴混在一起，黑不溜秋地贴在身上，勒得他胸口发闷。他咽了口唾沫，喉咙干得冒烟，嘴里还残留着上顿饭的余味，那是半块冰冷的米饭，现在想起来都让他胃里一阵翻腾。他伸手摸了摸怀里，那里放着一块从现代带来的怀表，表盖已经磨损得差不多了，上面的罗马数字依稀可见，但表针早就停了。他想起以前在大学宿舍里，晚上十一点熄灯后，拿着这玩意儿看球赛的日子。那时候的他，谁能想到有一天会穿着这种破烂皮甲，在这乱世里送命？要是李大嘴看见我现在这模样，得笑掉大牙。

雾气越来越浓，几乎能伸手不见五指，但对岸曹军的营寨却依稀可见，火把的光芒在夜色里明灭，像鬼火一样在江面上晃悠。