transcription, транскрипция: [ ləbɔ:riəs ]
If you describe a task or job as laborious , you mean that it takes a lot of time and effort.
Keeping the garden tidy all year round can be a laborious task.
ADJ
• la‧bo‧ri‧ous‧ly
...the embroidery she’d worked on so laboriously during the long winter nights.
ADV : ADV with v