工作时间必须全力以赴
One must go all out during working hours
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他干脆在实验室的门上贴一醒目招牌：“本室助研必须每周工作7天，早10时至晚12时，工作时间必须全力以赴。”
He even put a striking notice on the door of his lab, which read, "All the research assistants of this laboratory are required to work 7 days a week, from 10 AM to 12 PM."
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