几乎 + Verb/Adjective
几乎 means "almost" or "nearly" and is used to indicate that something came very close to happening or is very close to being fully the case. It is placed before a verb or adjective to modify it. For example, 几乎所有人都来了 means "almost everyone came."
这件事几乎没有人知道。
Zhè jiàn shì jīhū méiyǒu rén zhīdào.
Almost nobody knows about this matter.
他几乎每天都去图书馆学习。
Tā jīhū měi tiān dōu qù túshūguǎn xuéxí.
He goes to the library to study almost every day.
我几乎忘了今天是你的生日。
Wǒ jīhū wàng le jīntiān shì nǐ de shēngrì.
I almost forgot today is your birthday.