It needs us to try and practice very hard.
这一问题需要我们不断努力和尝试。
It needs us to try and practice very hard.
这一问题必要我们不绝积极和实行。
She tried very hard to learn, to make up for deficiencies in her practice.
她很努力的学习，以弥补她在实践方面的不足。
This plan sounds good. But it's very hard to carry out in practice.
这项计划听起来很好。但实际执行起来很困难。
In order to win the competition, each team will be very hard to plan and practice.
为了赢得比赛，每个小组都要努力去规划和练习。
In order to win the competition, each team will be very hard to plan and practice.
为了赢得比赛，每个小组都要努力去规划和练习。
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