俊之独秀
有居然的意思should与疑问词连用表示惊讶I turned round on the bus and who should be sitting behind me but my ex-wife. 我在公共汽车上转过身来, 谁料后面坐的竟是我的前妻. (词典上的例句)偶然的意思

jialing612
1.“Should” 有“居然”的意思。在你翻译时 有居然得意思时 用2 by chance 意思是偶然I bought it by chance. 我偶然间买到它的。
玉皇小帝
1.by chance 偶然2. to a certain degree 从某种程度上来说 在某种程度上3. think about 考虑4. The more, the better. 越多越好。5. Let me alone. 让我以个人静静/不要烦我。6. We are trying our best to speed up our economic development. 我们正在尽全力加快经济发展速度。7. They refuse to do what they think of as “low” work. 他们拒绝去做他们认为“低下”的工作。8. She has been struggling with illness for many years.她已经同病魔斗争多年了。
粉红猪大大
1. by chance 意外地,偶然地 2. to a certain degree 到某种程度 3. think about考虑,想起 4. The more, the better. 越多越好 5. Let me alone. 别烦我。 6. We are trying our best to speed up our economic development. 我们在努力加快经济发展。 7. They refuse to do what they think of as “low” work. 他们拒绝作他们认为矮人一等的工作。 8. She has been struggling with illness for many years. 她已经同病魔搏斗了好多年了。
溪爱Mr彬
By chances(in a chance):通常使用在不太容易或可能的情形下的偶然,比如两个天南地北的人,居然在很偶然的情形下认识了。luckily(by luck):使用在某种已知困难程度下的偶然,比如一个身体不好的女人偶然的成功怀孕了。Coincidently(in a coincident):使用在几率概率比较小情况下的偶然,比如玩游戏套竹圈圈,套上奖品的极微小、不经心的偶然供你参考
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