beat back

〈 1．defeat in a fight；repel擊退 〉

*He fought off three men who attacked him．他打退了3個襲擊他的人。

*Our troops have fought the invaders off．我們的部隊已擊退了侵略者。

*The boat's crew fought off the attack of the octopus．船上水手們擊退了大章魚的襲擊。

2． drive away with effort趕走；努力擺脫；驅除

*Although the girl tried to fight him off，in the end she was caught by him．雖然這女孩努力擺脫他，但最後還是讓他抓住了。

*She fought off her drowsiness and went on with her reading．她盡力驅趕睡意，繼續讀書。

*We can fight off a cold by taking aspirin．我們可以服用阿斯匹林來治療感冒。

〈 re.pel 〉

【動詞】

re.pelled, re.pell.ing, re.pels

【及物動詞】

1 擋開; 驅逐; 擊退

repel insects 趕走昆蟲

2 抵抗;反抗

repel an invasion 反抗侵略

3 拒絕接受; 拒絕

a company that was trying to repel a hostile takeover公司試圖拒絕懷著敵意的接管者

4 拒斥; 嗤之以鼻

5 使厭惡; 使感到不愉快

Her rudeness repels everyone. 她的粗野令每個人厭惡

6 抗拒; 無法吸收; 無法混合

Oil repels water. 油不能溶於水

7『物理』排斥

Electric charges of the same sign repel one another.同性的電荷互相排斥

【不及物動詞】

1 產生排斥力

2 引起厭惡; 令人不愉快

behavior that repels 令人不愉快的行為

【名詞】

re.peller

〈 re.pulse 〉

【及物動詞】

1 擊退; 驅逐

2 拒絕, 回絕

3 使厭惡, 使反感

【名詞】

擊退; 拒絕

re.puls.er

〈 re.pul.sion 〉

【名詞】

1 厭惡, 反感

2 擊退, 驅逐

3『物理』推斥作用, 排斥力

4『生物』相斥

〈 1．reduce（the price of a commodity）to a former level 使（物價等）全面回落；降到原有水平 〉

*Drastic measures have been taken to roll back commodity prices．已採取有力措施全面回落物價。

2．repel；cause to fall back擊退

*We were confident that we could roll back the enemy forces that barred our way．我們深信能擊退堵擊我們的敵軍。

*The new administration is confident of rolling back the tide of unrest which is sweeping the country．新政府自信能擊退這股席卷全國的動亂浪潮。

3．（a time in the past） return steadily to sb 's consciousness回到某人記憶中；漸漸回憶起過去某一段時間的事情

*As the grandmother spoke，the years rolled back and she saw herself as a small girl again．當祖母講話時，過去的歲月逐漸回到記憶中來，她仿佛看到自己又是一個小孩子了。