主考的`英文：
be in charge of an examination
參考例句：
You made a favourable impression on the examiners.
你給主考留下了很好的印象.
I submitted my papers to the examiner.
我把試卷交給主考老師。
An examiner must frame his questions clearly.
主考人設問題時必須表達清楚。
charge是什麼意思：
n. 費用；電荷；掌管；控告；命令，指示；指責
v. （使）充電；使承擔；指責；裝載；索價；向前衝；控告；把...記入帳冊
charge the enemy
向敵人衝去
mileage charges
按英里程計算的運費
What is this charge for?
這項費用是什麼？
Is there an extra charge?
有額外的費用嗎？
The nucleus is formed of neutrons with no charge and protons with a positive charge
核子是由不帶電荷的中子和帶正電荷的質子形成的。
examination是什麼意思：
n. 考試；審查，調查，考察；檢查，檢驗
sit for an examination; take an examination
參加考試
examine by auscultation
聽診用聽診法檢查
The examine is then directed to fix on the examiner's right eye.
接著就叫被檢查人注視檢查人的右眼。
This examination is a real challenge.
這次考試是一次真正的挑戰。
The duration of the examination is three hours.
考試時間為三個小時。
