不自信unconfident be a good boy / girl 自以为是 consider oneself always right 野心勃勃 fly high /on the make “两方面的原因,There are two reasons,一方面 on the one hand;另一方面 on the other hand 很多时候most of time/ at several moments 甚至 even 好好先生 one who tries not to offend anyone 十恶不赦 unpardonably wicked
