贻笑大方的英语:expose oneself to ridicule; be laughed at by (the) experts; be laughed at by those who know; become a laughing stock of the learned people; give an expert cause for laughter; incur the rid...
贻笑大方的法语:faire rire la compétence;susciter la moquerie des experts;donner prise à la raillerie des connaisseurs