You don't have to take any pains at all with them; you don't have to have a rest, you don't have to have any sights on the gun, you don't have to take aim, even.
你们不必在这些东西上花什么功夫；你们不必搞个枪架，你们不必在枪上装什么准星，你们连瞄准都没有必要。
Though their lifestyle may seem "effortless", some wanghong take great pains to run their Taobao stores, communicate with their fans and think of ways to retain their viewership, for example.
尽管他们的生活方式看起来“毫不费力”，一些网红却在卖命地经营着淘宝店，和粉丝互动，想尽各种方法保持自己的关注度。
The teachers take pains to teach us every day so that we can acquire more knowledge. We should not fail their expectations. I should not rest content with what I have done.
老师每天含辛茹苦地教我们，为的是使我们多获取点知识，我们不能辜负他们的期望，停足不前。
Current composition teaching in high school is in a dilemma: on the one hand, teachers of Chinese take great pains but with less gains;
目前的高中作文教学研究仅仅着眼于教师的教学过程，很少或不涉及作文主体——学生的心理过程；
Current composition teaching in high school is in a dilemma: on the one hand, teachers of Chinese take great pains but with less gains;
目前的高中作文教学研究仅仅着眼于教师的教学过程，很少或不涉及作文主体——学生的心理过程；
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