they must uphold
他们必须坚持
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Because they do not succeed, they must uphold.
因为他们还没有成功，他们要坚持。
youdao
They understand that a successful team must uphold the spirit of cooperation!
他们了解到成功就必须要发挥团体合作精神这个道理！
Extramarital affairs aren't illegal in China, but they run counter to the party's stipulation that officials must uphold high moral standards.
WSJ: Chinese Officials Ousted Over Alleged Sexual Exploits
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