shū​bù​jìn​yán

more could be written

Senses

书不尽言/ 書不盡言 shū​bù​jìn​yán (also shū​bú​jìn​yán) more could be written

(idiom) words cannot fully express one's thoughts; often used at the end of a letter to mean "I have much more to say than I can write here"

References

synonym 书不尽言/書不盡言 言不尽意/言不盡意
synonym 言不尽意/言不盡意 书不尽言/書不盡言