should better not后面加什么

　　If one has no strength to help whom he loves, he should better not talk about love casually.

　　鲁迅如果一个人没有能力帮助他所爱的人，最好不要随便谈什么爱不爱。

　　With our new quality analysis teams, our quality should get better, not worse.

　　凭我们新成立的品质分析小组，品质应该提升，而非变差！

　　Failing should make us better not bitter.

　　失败应该使我们有所长进，而不是变得沮丧。

　　Painful times and difficulty should make you better, not bitter.

　　痛苦与困难应使你更优秀，而不是更忧心。

　　Secondly, students should make clear that they could choose whichever the unknown word by their own but they should better not choose more than one word.

　　学生可自主选择要查阅的生词，但一定要注意不能过多查词。