yī​zhī​wèi​shèn

once is enough

Senses

一之谓甚/ 一之謂甚 yī​zhī​wèi​shèn once is enough

once is more than enough; something bad should not be repeated even once. Used to emphasize that an error or undesirable action must not happen again. Originally from the "Zuo Zhuan".

References

variant 一之谓甚/一之謂甚 一之为甚/一之為甚