1.go through 经历;经受
He was going through a very difficult time.
他正处于非常艰难的时期
2.right now 现在;马上
If you have a problem with that, I want you to tell me right now.
如果你有异议,我要你马上告诉我
3.at the same time 在同时;与此同时
I was afraid of her, but at the same time I really liked her.
我害怕她,但同时也确实喜欢她