商务英语中级口语词汇解析：diffident

缺乏自信（形容词）

(adjective) Lacking the confidence to express one’s own ideas; timid.

EXAMPLE: My brilliant but diffident young assistant needs constant encouragement from me to speak up and share his insights.

我的年轻助理很聪明，但是缺乏自信，需要我不断鼓励，才能畅所欲言，分享他的见解。