[ fángzhǐ ] prevent; guard against; forestall; avoid 短语和例子 防止感染 protect from infection; prevent infection; 防止浪费人力 avoid waste of manpower; 防止煤气中毒 guard against gas poisoning; 防止骄傲自满 guard against conceit and complacency; 防止错误 a safeguard against mistakes; 防止核扩散 non-proliferation of nuclear weapons; 防止青少年犯罪 the prevention of juvenile crimes; 防止疾病蔓延 prevent a disease from spreading; 教育是防止社会罪恶的最好和最终的方法。 education would be the best and final prevention against social evils. 我们必须防止这个乱子扩大。 we must prevent the trouble from spreading