Some offer badges (virtual MEDALS awarded when someone completes a set task, such as checking in to 10 venues); some even hand out coupons for discounted or free items.

有些提供徽章(在某人完成规定任务，比如在10个场所签到时将授予虚拟奖章)，有些甚至提供打折优惠券或免费项目。

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She felt unequal to the task she had set herself.

她觉得难以完成给自己定下的任务。

《牛津词典》

Our first task will be to set up a communications system.

我们的首项任务是架设通信系统。

《牛津词典》

Hobbes realizes this is a difficult and uphill task that he has set for himself.

霍布斯意识到他已经给自己,定下了一个困难而艰巨的任务。

耶鲁公开课 - 政治哲学导论课程节选

"It's not hard work, but it can take time to complete a shift, " says Ms. Jackson, 27, using the app's lingo for a set task.

WSJ: Apps Spawn New Jobs, Services

You can also set a task manager to automatically perform these tasks for you.

CNN: dotCOM Tools: Healthy PCs

Each meeting was set the task of identifying the best conservation strategy for each of the crops.

BBC: 'Climate-proof' crop hunt begins