repeat (v.)
重复，重说   

例句：
He repeated several times that he would help you.
他重复说了好几遍他要帮助你。

make a case for
提出充分的理由
 
例句：
You need to make a case for your suggestions before you can get them approved.
在你的建议得到批准之前，你必须提出充分的理由。
 

Just let it be.
就这样吧   

对话：
A: Jack, hurry up. It's time for school.
B: But my dish isn't washed yet.
A: Come on. Just let it be. Don't be late for class. I'll do it for you.
　　　　　　　　 　　　　　　　　 　　　　　　　　 　　　
A：杰克，快点儿，该上学了。
B：可是我的盘子还没有洗呢。
A：得了。别管他。上课别迟到了。我来替你洗。