1.serve as 擔任;充當
例句:He volunteered to serve as the manager of our department store.
他自薦當我們商場的經理。
2.Cut out 切斷;刪去
例句:He will have his work cut out to get into the team.
他要進入該隊困難重重。
3.sesame seed 芝麻
例句:Sesame seed is eatable and can be used as oil plants.
芝麻既可食用又可作為油料。
4.account for 對...負責人;對...作出解釋
例句:How do you account for the company's alarmingly high staff turnover?
你怎么解釋這家公司高得令人憂慮的人員流動率?