ते they, चिन्तयित्वा having thought about it, तत्क्षमान् useful in bringing him, उपायान् means, तस्य ते for that king, वक्ष्यन्ति will tell, वयम् we, विप्रम् that sage, आनेष्याम: will bring, दोष: blame, न भविष्यति च will not accrue.

After thinking about the means to be employed to bring the rishi to the court, they told him they would bring the sage if they are not to blame (in case anything untoward happens).