isn't English [?znt] American [?z?nt] ?
[Dictionary] No;
[Example]It?isn't ?too difficult once you get the?idea
Once you understand it, it’s not too difficult.
isn't is the abbreviation of two words is not.
not British [n?t] American [nɑ:t]
adv. No; [used to express negation, denial, rejection, prohibition, etc.] Not; almost not; not necessarily , no [used to negate the following word or phrase];
[Example]The sanctions are?not?working the way they were?intended
The sanctions did not play the expected role.
Extended information
is British [?z] American [?z]
vt. is (the triple form of be);
< p>n. Existence;No, it isn't?No, that's not
No, it isn't mine?No, it isn't mine
< p>This dress is made of silk, isn't it? This dress is made of silk, isn't it?Your niece is engaged, isn't she? Your niece is engaged, isn't she?
Reference: Baidu Encyclopedia is