incidentally英文

“不小心”在这里用：Incidentally / accidentally.翻译： incidentally fell down from the bed.句首一般要加人称主语 I / she/he.

attainment原本意思是成就 达到 造诣 这里明显是指得分 达到的分值attainer 得分者incidentally意思是顺带一说这句话意思是：Large sample international comparisons of pupils' attainment /since the 1960s have established that /not only did Japanese pupils at age 13 have better scores of average attainment,/but there was also a larger proportion of 'low 'attainers in England,/where,incidentally,the variation in attainment scores was much greater.学生得分的国际比较大样本自从1960年代建立以来，不止日本13岁学生得到了更高的平均得分，而且也有更大比例的低分得分者在英国，顺带一提，英国的得分者有更大的分数差距。

accidental; fortuitous; chance; adventitious; occasional by chance; by accident; inadvertently; incidentally; occasionally

fell down from the bed accidentally =fell off the bed accidentally

学生素养的大样本的国际比较发现不仅是日本学生有更好的成绩的平均水平，但也有较大比例的“低”attainers在英国，在那里，顺便说一句，在取得成绩的变化要大得多。

1. occasionally2. occasional3. incidentally例句与用法: 1. 他偶然说走嘴。 He had a slip of tongue by accident. 2. 我只是偶然抽一支雪茄。 I only smoke an occasional cigar. 3. 他偶然发现了这幅画。 He discovered the painting perchance. 4. 我们的相遇是很偶然的。 Our meeting was quite accidental. 5. 我偶然跟他闲聊, 一起说笑话. He's someone I have an occasional chat and joke with. 6. 我遇见她完全是偶然的. I met her quite by chance. 7. 我们（彼此）相遇纯属偶然. We met (each other) quite by chance. 8. 我们只是在昨天才与她偶然相遇. We met her only yesterday, as it happens.

by accident