Usage note
几乎用来表示某事非常接近于发生或存在，但并不是完全如此。
jīhū lái yòng bǎo shí mǒu shì fēn jìn qǐ yú fā shēng huò zài cún, dàn bù shì wán quán rú cǐ.
几乎 is used to indicate that something is very close to happening or existing, but not entirely so.
Context note
几乎常用于描述接近但不完全的情况，例如天气预报、考试成绩等。
jīhū cháng yòng lái miáo huì jìn qǐ dàn bù quán quán qíng kuàng, rú kě tian qì fēng yù, kǎo shì chéng jì děng.
几乎 is often used to describe situations that are close but not entirely so, such as weather forecasts and exam scores.
5 examples
今天天气几乎和昨天一样。
jīn tiān tiān qì jī hū hé zuó tiān yí yàng。
Today's weather is almost the same as yesterday's.
他几乎每天都来上学。
tā jī hū měi tiān dōu lái shàng xué。
He almost comes to school every day.
这道题几乎所有人都做错了。
zhè dào tí jī hū suǒ yǒu rén dōu zuò cuò le。
Almost everyone made a mistake on this question.
这个周末天气几乎不会下雨。
zhè ge zhōu mò tiān qì jī hū bú huì xià yǔ。
The weather will almost not rain this weekend.
他几乎不看电视。
tā jī hū bú kàn diàn shì。
He almost never watches TV.
5 mini stories
小明今天几乎每天都来上学，只是昨天没来。
xiǎo míng jīn tiān jī hū měi tiān dōu lái shàng xué， zhǐ shì zuó tiān méi lái。
Xiao Ming almost comes to school every day today, just not yesterday.
天气预报说今天几乎不会下雨，结果还是下了点雨。
tiān qì yù bào shuō jīn tiān jī hū bú huì xià yǔ， jié guǒ hái shì xià le diǎn yǔ。
The weather forecast said it would almost not rain today, but a little bit did fall.
妈妈说这个周末天气几乎不会下雨，我们可以去公园玩。
mā ma shuō zhè ge zhōu mò tiān qì jī hū bú huì xià yǔ， wǒ men kě yǐ qù gōng yuán wán。
Mom says the weather will almost not rain this weekend, so we can go to the park to play.
他几乎每天都来上学，但是昨天生病了没来。
tā jī hū měi tiān dōu lái shàng xué， dàn shì zuó tiān shēng bìng le méi lái。
He almost comes to school every day, but he was sick and didn't come yesterday.
这道题几乎所有人都做错了，只有小华做对了。
zhè dào tí jī hū suǒ yǒu rén dōu zuò cuò le， zhǐ yǒu xiǎo huá zuò duì le。
Almost everyone made a mistake on this question, only Xiao Hua got it right.
Mini dialogue
快到了
A
我们快到了吗？
Wǒmen kuài dào le ma?
Are we almost there?
B
快了，几乎到了，再走五分钟。
Kuài le, jīhū dào le, zài zǒu wǔ fēnzhōng.
Almost, we're almost there, just five more minutes.
作业做完了
A
你的作业做完了吗？
Nǐ de zuòyè zuò wán le ma?
Have you finished your homework?
B
几乎做完了，只剩下一道题。
Jīhū zuò wán le, zhǐ shèng xià yī dào tí.
Almost done, just one question left.
Related words and contrasts
similar
差不多
chàbuduō
almost, nearly
very close to a state