Meaning of ér yǐ:
ér yǐ
而已
Phrase
that's all
Zhè zhǐ shì yī chǎng xiǎo wùhuì ér yǐ, bú yào jǐn.
这只是一场小误会而已，不要紧。
This is just a small misunderstanding, that's all, it's nothing serious.
Adverb
nothing more
Zhè zhǐ shì yī gè wù huì ér yǐ.
这只是一个误会而已。
This is just a misunderstanding, nothing more.
