guesswork
US /ˈɡes.wɝːk/
UK /ˈɡes.wɝːk/

1.
추측, 짐작
the process of making a judgment or decision without having enough information to know for certain what is correct or true
:
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The exact number of attendees is still a matter of guesswork.
정확한 참석자 수는 여전히 추측의 문제이다.
•
Much of the early research involved a lot of guesswork.
초기 연구의 대부분은 많은 추측을 포함했다.