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1·They decided to put their relationship on a more formal footing.

他们决定建立更正式的关系。《柯林斯英汉双解大词典》

2·It is time to put these arrangements on a slightly more formal basis.

是应该把这些安排做得略为正式一点的时候了。《牛津词典》

3·They wore ordinary ties instead of the more formal high collar and cravat.

他们打着普通的领带而不是更为正式的高领领结。《柯林斯英汉双解大词典》

4·If they're not sure about something they hear, it can turn into a more formal lesson once back in the classroom.

如果他们对听到的东西不是很确定，就可以把这些东西以更正式的形式在课堂上展开。

5·They appear more formal than other passports.

它们看起来比其他护照更正式。

6·It becomes more formal, more standard—some might say, Less colorful.

它变得更加正式、更加标准——有些人可能会说，“色彩变得更少了”。

7·Complete sentences express a more formal attitude.

完整的句子表达了较正式的态度。

8·The bribery convention is a more formal instrument.

反贿赂公约将是一个更加正式的文件。

9·Second, speechmaking requires more formal language.

其次，公开演说需要使用正式语言。

10·At each step, the model is refined and made more formal.

每一步中模型都进一步精化，更加形式化。