英和和英

There is only one.

being the only one

of something, a condition of being the only one

something that is unique

the state of being one

only one

There are too many by one

the only―the sole

only one method of doing things

one by one

one's situation of being alone

of something, all that exists

only one

the shape of only one object

of things or matters, one by one

an act of setting one's heart on only one thing

consisting of only one morpheme

Firstly

only that thing

Item. So-and-so. Item. So-and-so.

partially

the single one of its kind

having only one meaning

an example

unite into one

a person's only strong point

a one-off, the state of not being a series

no more than five

a single cell

One of those is