形容词

1. She is diffident about expressing her opinions.
她怯于表述自己的意见。

2. He is diffident about expressing his opinions in the public.
他在公开场合表达自己的意见感到胆怯。

1. 羞怯的：difficult 艰难,费力的 | diffident 羞怯的 | diffuse 传播,冗长的

2. 缺乏自信的：deferential 恭敬的, 恭顺的 | diffident 缺乏自信的 | differential 有差别的,有区别的

3. 无自信的, 谦虚谨慎的, 羞怯的：Diffident 无自信的, 谦虚谨慎的, 羞怯的 | Indifferent 漠不关心的, 不重要的, 冷淡的 | Kindly indulgence 温和地纵容, 任性的, 温和地宽容

4. 不自信的：diffluence 分流 | diffident 不自信的 | diffuse 散開,散佈

1. 羞怯的;胆怯的;缺乏自信的
Someone who is diffident is rather shy and does not enjoy talking about themselves or being noticed by other people.

e.g. Helen was diffident and reserved.
海伦比较害羞内向。

adj

1. lacking self-confidence

e.g. stood in the doorway diffident and abashed
problems that call for bold not timid responses
a very unsure young man

Synonym: shytimidunsure

2. showing modest reserve

e.g. she was diffident when offering a comment on the professor's lecture