1.他是个斤斤斤计较的人。he is pretty-minded
2.由此可见,一个国家的尺寸,无论“大”或“小”,有利也会有弊。Taking account for the size of country, no matter it's big or not, it also have pros and cons
3.我不会退缩。i won't be back down
4.别让我失望。don't let me down
6.The huge size of China does not serve it well in everything.
中国地大物博也并不是各方面都很有益的