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
You must be Robbie.
你就是Robbie吧。
Who is speaking?I don't recognize your voice.
阁下是那一位?我听不出你的声音。
One night, the gaoler decided to play a joke on his colleague to find out if, after so many performances, he had managed to learn the contents of the letter by heart.