【Learn Chinese character--又 】
Whenever you want to express something like "you did it again!" in Chinese, you may want to use 又. It is Expressing time and date, Referring to the past.
There are two words for "again" in Chinese. This depends on whether the repetition has happened, or whether it's going to happen. If the repetition has happened, i.e. it's a repetition in the past, 又 is used.
Notice that 了 is used as the action is complete.
nǐ yòu chí dào le.
你 又 迟 到 了。
You came late again.
One of the may versatile uses of 又 is to emphasize negation, giving your negative sentence a little kick! It is Expressing attitude, Emphasizing.
In this structure, we emphasive what comes after the 又. Afterward, we add a negative verb or adjective. This grammar structure is often used in an accusatory context.
wǒ yòu bù chī , nǐ suí biàn.
我 又 不 吃 ，你 随 便。
I'm definitely not eating it, do what you want with it.
【Have a try】