| 11. | Formal dress is optional. |
| 是否穿礼服自便。
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| 12. | There is a set procedure for making formal complaints. |
| 要正式提出投诉是有固定程序的。
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| 13. | There has been a shift in fashion from formal to more informal dress. |
| 服装的式样已经有了转变,以前很拘谨现在较随便。
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| 14. | He has had very little formal education. |
| 他几乎没有受过正规教育。
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| 15. | Her embrace was formal , not friendly. |
| 她的拥抱是礼节性的，并不是出于友好。
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| 16. | Formal education is a preparation for entry into life. |
| 正规教育是为踏进社会作准备。
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| 17. | OK is a less formal equivalent of all right. |
| "ok"是"all right"的不太规范的同义词。
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| 18. | a formal mode of address. |
| 正式的称呼方式。
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| 19. | he is neither too friendly nor too formal , but strikes the happy medium. |
| 他既不太亲切，也不太刻板，而是采取适中的态度。
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| 20. | take formal leave of sb. |
| 向某人正式告别。
|