何必

既然已经尽心尽力了，何必还要为已经过去的事情过分自责呢。

jì rán yǐ jīng jìn xīn jìn lì le, hé bì hái yào wèi yǐ jīng guò qù de shì qíng guò fèn zì zé ne.

Since you have tried your best, why should you blame yourself too much for what has happened in the past?

在日常业务推进过程中，团队成员密切配合，认真何必各项工作要求。

zài rì cháng yè wù tuī jìn guò chéng zhōng, tuán duì chéng yuán mì qiè pèi hé, rèn zhēn hé bì gè xiàng gōng zuò yāo qiú.

During the daily business development process, team members work closely and seriously carry out all task requirements.