Once failed in the heated competition, it would bring great influence upon universities' education quality situation.

一旦在竞争中失败，对高校教学质量的影响将是难以想象的。

youdao

Attempts to resurrect the ceasefire have already failed once.

为恢复停战所作的努力已经失败过一次了。

《柯林斯英汉双解大词典》

After resting for a short time, the boy started once more, but failed again.

休息了一段时间后，男孩又开始了，但是又失败了。

youdao

Once Santa Ana returned, he failed to honor his promises to Polk.

VOA: special.2009.02.26

Well, I think that once again, they've made the same mistake the previous case did, that they assigned a dollar value to human life, and once again, they failed to take account things like suffering and emotional losses by the families.

我觉得他们犯了与前面案例,相同的错误，量化了生命的价值，但同样的，他们没有考虑受害者家人承受的,痛苦和精神损失。

耶鲁公开课 - 公正课程节选

The reporter cited the fact that Obama once failed to put his hand over his heart while singing the national anthem.

CNN: Obama fights back on questions about his patriotism

Omalu has only once failed to find C.

NEWYORKER: Offensive Play

In their zeal, activists have once again failed to recognize the Law of Unintended Consequences.

FORBES: Fat-uous Approaches To the Obesity Problem