a feeling of being bored and mentally tired caused by having nothing interesting or exciting to do
发音
例句
1. Since losing his job, he has often experienced a profound sense of ennui. 他自从失业以来,常觉百无聊赖。 2. Took up a hobby to relieve the ennui of retirement. 养成一种嗜好以消除退休后的无聊。