first work period

基本解释

And your first year in work may be a crucial period, says an HR expert.
而你参加工作的头一年可能是段艰苦时期，一位人力资源专家如是说。
Miranda: I had the same feeling when I first came to work here, but after a period of time, I felt better.
米兰达：我刚来这里工作的时候也有这种感觉，但过了一段时间，我就感觉好多了。我肯定你也会适应这种忙碌的工作的。
The new deal says North Korea has to invite them back within the first 60-day period to carry out verification work “as agreed between” the IAEA and North Korea.
新的共同声明邀请他们在60天内重返朝鲜，在国际原子能机构与朝鲜共同协商同意的前提下，负责查证确认方面的工作。