however什么意思,怎样区分however和instead？ _生活知识

1. however主要有两种用法：
1）however = no matter how ，做连词，用于引导让步状语从句
如：He can't win the race however fast he runs.
无论/不管他跑得有多快，他都赢不了这次赛跑。
2）however做副词，表示转折，意思是“然而/但是” ，用在句中时必须用标点符号和其他成分隔开。
如：He is clever. However, he is very lazy.
2. therefore只能做副词，意思是“因此/所以” ，其所在的句子表示结果。
它和句子其他成分隔开不隔开都是可以的。
如：He worked day and night, and therefore he was able to buy the sports car.
= He worked day and night. Therefore, he was able to buy the sports car.
他日夜工作，所以有能力买那部跑车。

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怎样区分however和instead？
however释义：
adv. 无论如何；不管怎样（接副词或形容词）；然而；可是
conj. 无论以何种方式; 不管怎样
例句：
However, no matter how difficult it is, he will insist on finishing this mission.
然而，不管有多困难，他都会坚持完成这个任务。
instead释义：
【however什么意思,怎样区分however和instead？】adv. 代替；反而；相反
例句：
Instead, I will bless them and attend the wedding.
相反，我会祝福他们并且参加婚礼。