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We will not attack unless we are attacked; if we are attacked, we will certainly counterattack.
人不犯我,我不犯人; 人若犯我, 我必犯人.
《现代汉英综合大词典》
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If plastic and rubber are burnt, they'll give off poisonous gases.
要是塑料和橡胶被焚, 就会放出有毒的气体.
《现代汉英综合大词典》
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I shall have to read up on this subject if I am to give a talk about it.
如果我准备做一次关于这课题的讲座,我就必须把它彻底研究一番.
《简明英汉词典》
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The area can easily be worked out if you know the length and the breadth.
如果你知道长度与宽度,面积很容易计算出来.
《简明英汉词典》
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If you find anything wrong with the machine, you should put it right at once.
发现机器有故障, 要及时排除.
《现代汉英综合大词典》
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His apparent unwillingness would disappear if we paid him enough.
如果我们付足了钱,他露出的那副不乐意的神情就会消失.
《简明英汉词典》
