It is generally believed that Chinese are poor public speakers.
一般认为中国人不擅长公众演讲。
I'm really sorry, but I seem to have misplaced your scarf.
真对不起,我忘记把你的围巾对丢在什么地方了。
Speak to your father and tell him that you are already doing well in the subject of your choice. If you like, remind him that many women have chosen to work in fields that were not used to accepting women. You can point out that Florence Nightingale opene