fight no battle unprepared meaning in English

不打无准备之仗不打无把握之仗

Fight no battle unprepared .
不打无把握之仗。
I have a suggestion to make , as we should fight no battle unprepared , i think we can prepare better and answer better if you give us some reminders of what we are going to discuss and what to ask , then i will impress you more deeply
给老师提个意见，我们要打有准备的仗，我们下周要说什么话题，要问到点什么，如果能先透露一点，我回去好好准备，可以回答的更加好，这样我的印象也会更加深刻