问几个关于英语单词,

try to do表示尝试着做某事 表面的意思是;
试着做某事儿,但实际上的意思是：努力想做成某事儿
而try doing 表面意思也是:
试着做某事儿,但实际意思是：（为了达到另外的一个目的）做某种尝试看行不行.
指特定的两个人或物中的“一个.另一个时”,只能用
one...the other,指不确定范围中的人或物中的“一个.另一个时”,one...another.如：
1.I have two brothers.One is a lawyer and the other is a
manager.(两兄弟中的一个.另一个)
2.I've got two tickets.One is for you and the other is for
myself.
3.He finished one cup of tea and then asked for another cup.
4.Since you don't like this one,I'll show you another.
others 是指所有剩余,the others指一个整体中或一定范围内其他的的,其他的
例如：
Some people are familiar to me,others aren’t
Some apples I bought are red,the others are green.