1·He was modest and diffident about his own success.
他很谦虚，不愿谈及自己的成功。
—— 《牛津词典》
2·"I've had experience enough," said Hurstwood blandly, but he felt a little diffident about referring to Fitzgerald and Moy.
“我有足够的经验，”赫斯渥淡淡地说道，但他没敢提及费莫酒店。