Put your hand up if you need more paper.
若有人还要纸，请举手。
Only time will tell if the treatment has been successful.
只有时间才能证明这种疗法是否成功。
He must be 70 if he's a day!
他至少70岁了！
I don't care if I never see him again!
即使我永远再也见不到他，我也不在乎！
Call me if you have any problems regarding your work.
你如果还有什么工作方面的问题就给我打电话。