I understand why I imagined being robbed by a man: They're physically more dominating and I've never heard of anyone being robbed by a female. (Para.8)
dominate: vt. have control over (a place or a person), or be the most important person or thing
Often older children dominate their younger brothers and sisters. 大孩子經(jīng)常控制小弟弟、小妹妹們。
Some people have the ability to dominate a conversation and do not permit other people to talk. 有些人能控制談話，不讓其他人發(fā)言。
hear of: to learn about; gain information about
We only heard of your intended visit yesterday! 我們是昨天才聽說你的來訪意向的。
Many people have heard of web learning but they have never tried it. 許多人聽說過網(wǎng)上學(xué)習(xí)，可從未嘗試過。
female: n. a woman or a girl; an animal that can produce babies from its own body
Male birds are often more brightly colored than female ones. 雄性鳥往往比雌性鳥更艷麗漂亮。
More females than males go into nursing in the States. 在美國從事護(hù)理工作的女性比男性多。