Expert knowledge
[计] 专门知识
🧩 词语组成解析
expert
['ɛkspɝt]
n. 专家，能手;权威;行家，高手;熟练者;
adj. 专家的;（技术）熟练的;老手;需要专门知识（或技术）的;
vt. 以专家身份研究（或检查），像专家那样研究（或检查）;由专家审读（书籍等）;
vi. 做专家工作，担任专家，成为高手（或能手）;
peri, piri 表穿过,通过,尝试#词根助记：ex出+peri→钻进去又钻出来,完全的体验→有经验的
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
How many pieces are you going to buy?
你要买几个？
so that there are heavy odds in favour of our dying between the ages of sixty-five and eighty.
我们最可能死亡的年龄在65至80岁之间，