I see him on the train every day but we are not on speaking terms.
我每天都在火車上見到他,但彼此沒有說過話。
I may be wrong, but your theory is all wrong, professor.
也許我不對,不過,教授您的理論是完全錯了。
After all, all living creatures live by feeding on something else, whether it be plant or animal, dead or alive, and it is only by chance that such a fate is avoided.