Benötigen und brauchen, was ist der Unterschied? Können Sie mir ein Beispiel geben?

Warum und wieso, was ist der Unterschied?

How would you write this in Latin? "What could go wrong?" Would it be - quid possit iniuriam? I don't know Latin very well at all. A friend was hoping to use this as a motto for his organization. (Latin mottoes always seem more official.)

吃惊和惊讶有什么区别？ 什么时候应该用一个，不要用第二个？ What's the difference between 吃惊 (chi1jing1) and 惊讶 (jing1ya4)? When should you use one and not the other?

Is there a difference between 问题 and 疑问？ 疑问和问题有什么区别？ 问题有没有不好的感觉吗？ 疑问是不是正式？ 有没有情况用法是不一样？ 谢谢

I've learned a lot on italki I just wanted to write a quick note that I've learned so much through italki. I've learned a lot and made progress in Chinese. I've also dabbled with Japanese and even Korean. I've met a lot of great people -- particularly a lot of really great teachers. They have almost universally been enthusiastic, friendly, and helpful people who want to share their native language and their culture. Overall, I've learned a lot, and I hope other people here have the same experience!

What is the difference between 我能看到你 and 我看得到你？ My understanding is that: 1. 能 - I can see you (there is nothing is in the way, or my eyes are fine) 2. 看得到 - I can see you (it have time, availability) The opposite situation: 1. 不能看到你 - I can't see you (you're behind a door) 2. 看不到你 - I can't catch up with you, not available, no opportunity 对不对？

What does 一陈子 mean? (yichenzi?) 一陈子是什么意思？ A Chinese friend wrote this, and I wasn't sure what it meant.