起点到终点的意思就是事情的开端到事情的结束，就是由开始到结束的这个过程，是形容一件事情完整的一个步骤，是整个事件的形容，也是形容一段情感的起始和结束，这是个完整的概括，事情的前后之间阶段的描述而已。
start:
start to do sth 开始（做某事）---- start on sth == make a start on (doing) sth 开始做（需要做的事）
start by doing sth == start with sth 以...作为开始 ---- start off by doing sth 从...开始；从...着手 === start out by doing sth
have a head start on sb 领先
make a false start 有了一个不好的开短；抢跑犯规 === get off to a good/bad start
For a start， 首先 === To start with, 首先，一开始
in/by fits and starts 间歇性地，一阵一阵地
start sb off doing sth 使某人开始做某事
start out as sth 起初是...(如，起初是做房地产销售的）
sb start over == sb start sth over 重新开始；从头再来
end:
end with sth --- end by doing sth --- end up doing sth
sb end it all == sb commit suicide 自杀
sth be at an end == sth come to an end == put an end to sth 结束
at the end of the day 最终，到头来 in the end 最后，终于
sb have gone off the deep end == sb get/be out of sb's mind 疯了，精神不正常
sb be thrown in at the deep end == sb jump in at the deep end 是落入无助的境地
do sth to the bitter/very end 坚持到底做某事 （如: fight to the very end 抗争到底）
sth be/become an end in itself 某事本身就值得做
(have to) keep sb's end up == keep up sb's end of sth 做好自己的本分
make ends meet 收支平衡
hours/days/weeks/years on end 连续的==in a row
reach the end of the road 到了...的尽头了
sth will happen/be true until/to the end of time 直到时间的尽头
sth bad be not the end of the world . 世界末日
be at the end of sb's tether 栓绳/rope 走投无路，无计可施
