他工作落后了
He is behind in his work
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他工作落后了。
He fell behind with his work.
youdao
他的工作大大落后了。
He's fallen far behind in his work.
《牛津词典》
一周以前，我们计划向领导报告，他的团队落后了，并需要两到三个月以完成剩余的工作。
The week before we were scheduled to deliver one manager said his team was behind and needed two more months to get their work done.
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