Ⅰauthorise(動(dòng)詞)授權(quán)、批準(zhǔn)
    authorisation(名詞)授權(quán)、委任
    authoritative(形容詞)權(quán)威的、命令式的
    authority(名詞)權(quán)力、職權(quán)、權(quán)威
    authorities(名詞)*
    ① Dr Li has authorised David to act for him in his absence.
    ② The Ministry for Finance authorised the payment of annual increments.
    ③ One needs special authorisation to enter such a building.
    ④ This news came from an authoritative source, so it must be reliable.
    ⑤ The Commander-in-chief spoke in an authoritative tone.
    ⑥ As a senior officer, Jason is entitled to have authority over the clerical staff.
    ⑦ Who gave you authority to implement the new salary scheme?
    ⑧ Dr Wong is an authority on language teaching.
    ⑨ The authorities concerned must see to it that the same thing will not recur.
    Ⅱclear(形容詞)清楚的、明白的、無(wú)嫌疑的、債務(wù)已清的;
    (副詞)遠(yuǎn)離的
    (動(dòng)詞)清除、解除。
    clearance(名詞)清除、許可(證)
    (修飾語(yǔ))清貨
    clearing (名詞)林中空曠的
    clearly(副詞)清楚地
    ① The speaker's voice is clear enough to be heard.
    ② Can you make your last point clearer?
    ③ The suspect was clear of suspicion.
    ④ The gambler hopes to be clear of debts soon.
    ⑤ Unauthorised persons are advised to keep clear of the premises.
    ⑥ The police have cleared the road of obstruction.
    ⑦ If there exists misunderstanding among friends, please clear it up.
    ⑧ Have you seen any slum clearance?
    ⑨ The plane must get clearance for take-off.
    ⑩ Before Christmas, shopping centres have the habit of holding annual clearance sales.
    11. The picnickers pitched their camp in the clearing.
    12. Speak clearly or the audience at the back may not be able to hear you.