微信上你问了件小事，对方回「知道了。」——带句号。这个句号通常表示？
On WeChat you ask something small and get “知道了。” — with a full stop. That period usually signals…?
全球翻车率（内测预估）
✓语气偏冷，话到此为止
yǔ qì piān lěng，huà dào cǐ wéi zhǐ · a chilly tone — the conversation is over
B他在用电脑打字
tā zài yòng diàn nǎo dǎ zì · they're typing on a computer
C他很正式很重视
tā hěn zhèng shì hěn zhòng shì · they're being formal and taking it seriously
D只是打字习惯，没有含义
zhǐ shì dǎ zì xí guàn，méi yǒu hán yì · just a typing habit, no meaning
中文聊天里句号是稀缺品。它一出现，通常不是为了断句，是为了关门。
Full stops are rare in Chinese chat — omitting them is the default. When one shows up, it's usually closing the conversation, not the sentence.