評論
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endanger
vt.危害(harm)
The animals that lived in the marsh were endangered by the drought.
住在沼澤地里的動物因干旱而瀕臨滅絕。
harmful
adj.有害的(dangerous, detrimental)
hazard
n.危險(risk, danger)；公害
hazardous
adj.危險的(dangerous, perilous)
People hesitated whether to begin the hazardous journey to the unkown west or not.
人們猶豫是否要開始冒險去未知的西部。
impair
vt.損害(harm, damage)
His misdeeds greatly impaired our friendship.
他的劣跡嚴重傷害了我們的友誼。
jeopardy
n.危險(danger，risk)
maim
vt.使殘廢(disable, mutilate)；損傷
He was seriously maimed in a car accident.
他在一次車禍中嚴重致殘。
peril
n.危機；危險的事物
perilous
adj.危險的(dangerous,hazardous)
threaten
vt.威脅(menace, terrify)
They threaten to kill all the people without receiving the ransom.
他們威脅要是沒有收到贖金，就殺死所有人。
crisis
n.(疾病的)轉折點，決定性時刻(turning point);危機 (emergency)
The 1997 Asian financial crisis had a negative impact on the economies in many Asian countries and worldwide at large.
1997年的亞洲金融危機對許多亞洲國家和世界各地的經濟產生了負面影響。
grave
adj.重大的；莊嚴的，莊重的(serious, significant)
His face was grave as he told them about the bankcrutcy of his business.
當他告訴他們他生意上的資金問題時，臉色很嚴肅。
ruinous
adj.導致毀滅的(destructive);使人破產的
The attack on the enemy troop was ruinous.
對敵攻擊是毀滅性的。
imperil
vt.使陷于危險，危及(endanger)
Disafforestation is imperiling the environment in many African countries.
在許多非洲國家，砍伐森林正在危及環境。
vulnerability
n.弱點
Overconfidence and credulity are his vulnerabilities.
自負和輕信是他的弱點。
prejudice
n.偏見，成見；損害，侵害 vt.使抱偏見，使存成見；傷 害，損害
