task

英[tɑːsk] 美[tæsk]

1. any piece of work that is undertaken or attempted;: "he prepared for great undertakings"

2. a specific piece of work required to be done as a duty or for a specific fee;: "estimates of the city's loss on that job ranged as high as a million dollars"; "the job of repairing the engine took several hours"; "the endless task of classifying the samples"; "the farmer's morning chores"