1.police officer 警官
例句:Mr Calder tried to leave the shop but the police officer blocked his path.
考尔德先生想离开商店,但是那位警员拦住了他。
2.tend to 趋向;注意
例句:In our culture we tend to be bashful about our talents and skills.
在我们的文化中,我们往往羞于谈论自己的才干和技能。
3.beef up 加强
例句:Now is the time to beef up its business section.
现在应该是加强其业务部门的时候了。
4.in search of 寻找
例句:He framed this question three different ways in search of an answer.
为了寻求答案,他以3种不同方式提出了这个问题。