dif·fi·dence
noun/ˈdɪfɪdəns/
/ˈdɪfɪdəns/
[uncountable]- a lack of confidence in yourself; being unwilling to talk about yourself
缺乏自信的；胆怯的；羞怯的 - She overcame her natural diffidence and spoke with great frankness.
她克服了胆怯的毛病，非常坦率地说出了自己的想法。
- She overcame her natural diffidence and spoke with great frankness.