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。

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In the new semester, we will keep insisting on the qualities of "Cooperation, Understanding, Thoughtfulness, Self-discipline and Patience". Hurry up to join us!

我们新学期将要加强学习和践行“合作、谅解、体贴、自律、耐心”等的优良品行，快快来加入我们吧！

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Just as on smoking, voices now come from many quarters insisting that the science about global warming is incomplete, that it's OK to keep pouring fumes into the air until we know for sure.

就像吸烟一样，现在来自许多方面的声音坚持认为，有关全球变暖的科学是不完整的，在我们确定之前，继续向空气中排放烟雾是可以的。

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And if the Lords keep insisting on changes, the government faces the uncomfortable choice of gutting their bill still further, or of prolonging the agony into the next parliamentary year.

BBC: Parliamentary warfare breaks out in Lords over NHS bill

There may be anecdotal cases of families insisting on heroic measures to keep an elderly patient alive. (There may be counter anecdotes of wanting to get Grandma out of the way before her money is all spent).

FORBES: Fact Checking False And Misleading Democratic Assertions About Obamacare

Greece's rescuers want to cut the chances of its defaulting on its restructured debts by insisting it keep a sum equal to the coming quarter's interest payments in escrow.

ECONOMIST: Greece��s bail-out