The teacher may require a second proposal if the first is off-topic or unclear.

如果第一个提议偏离主题或不清楚，老师可能要求我们再提交一份提议。

youdao

What if the first Death Star hadn't been destroyed?

如果第一个死星没有被摧毁会是什么样子？

youdao

If the first command fails, the second command does run.

如果第一个命令失败，则第二个命令才会运行。

youdao

G.M.has until June first to offer a plan to the government if it is to receive new government loans.

VOA: special.2009.05.01

Things can't become holy and can't come into contact with the holy or the sacred if they are not first pure.

事物不可能变得神圣或是与神圣有联系,如果它们连纯洁都算不上。

耶鲁公开课 - 旧约导论课程节选

And if that's true is everything in the string, starting at the first element and removing the last element, a palindrome?

如果是相同的话,是不是字符串中的所有从第一个元素开始,并且删除最后一个元素后？

麻省理工公开课 - 计算机科学及编程导论课程节选

If the first quarter is any indication they have a long way to go.

FORBES: Bank Of America: Undervalued Or Overvalued?

Lee said he could consider supporting the proposals only if the first priority were border security.

WSJ: Lawmakers ready to unveil immigration deal

What if the first great Facebook application was finally made, but only on iOS 6?

FORBES: Early Clues A Facebook, Apple Partnership Is Brewing