They try hard to improve themselves and expect you to do the same.
他们努力使自己更好，对你也有相同的期待。
It is absolutely necessary for them to try hard to improve their ability, acquire more knowledge, and help spread cultural activities.
努力提高自己，努力追求深造，努力做文化普及工作，都是万分必要的。
They praise you when you need it. They encourage you when you're down. They try hard to improve themselves and expect you to do the same.
他们会在你需要时称赞你。他们在你沮丧时鼓励你。他们努力使自己更好，对你也有相同的期待。
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