wèi le / què rèn / xián yí rén / shì fǒu / huì / yǔ / tóng huǒ / jiē tóu / diào chá rén yuán / lián xù / jǐ tiān / duì / tā / jìn xíng / gēn jiān

为了确认嫌疑人是否会与同伙接头，调查人员连续几天对他进行跟监。

To find out whether the suspect would meet up with his accomplices, investigators tailed him for several days.