We must appoint somebody to finish the tough task.

我们得指定一个人去完成这项艰难的任务。

But convincing small firms to grow is a tough task.

但是说服小公司去发展是一项艰巨的任务。

It took us three days to accomplish this tough task.

我们花了三天时间才完成这项艰苦的任务。

For any language beginner, mastery of the vocabulary is a tough task.

对于任何语言的初学者来说，词汇的掌握都是一个繁重的任务。

Only does an extremely impatient person keep insisting on finishing the tough task.

只有那些非常有耐心的人才可能坚持完成这个艰巨的任务。

Participants must sign the program's medical-records privacy protection forms—a tough task for those suffering from mental illness.

参加者必须签署该计划的医疗记录隐私保护表，这对患有精神疾病的人来说是一项艰巨的任务。

Ecological civilisation is a new idea, and as such, there are no models for us to follow; putting the theory into practice will be a tough task.

作为一种新的文明形态，生态文明尚无范例可循，从理论到实践都需要作艰难探索。

But it is a tough task to establish the system in our country with the barrier of the traditional procedural theory and the weak legal infrastructure.

但是，面对传统诉讼理论的障碍、法治基础的薄弱，如何在我国构建这一制度就成为难题。

Very windy. The all of the balloons, all of the people carrying the balloons, they really had a tough task today keeping everything under control.

风很大，所有的气球，所有人都拿着气球，他们今天要控制所有的事情，真的是很艰难。