avec fatigue

listen to the pronunciation of avec fatigue
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{a} laboriously
With great expenditure of effort, in a manner requiring much labor

He laboriously climbed the steep rock face, pulling himself up inch by inch.

{a} with labor, with toil, carefully
in a laborious manner; "their lives were spent in committee making decisions for others to execute on the basis of data laboriously gathered for them
in a laborious manner, with great effort; diligently, painstakingly; in a burdened manner, in a labored manner