イディオムⅤ

on end

on purpose

by chance

by nature

for good

in vain

in detail

in advance

in common

by degrees

on time

under construction

for nothing

for nothing

on duty

at home

in fact

in short

in particular

on one's own

at a loss

ill at ease

to A's taste

out of date

out of order

all at once

second to none

as a rule

on the contrary

to the contrary

from time to time

once in a while

all of a sudden

out of the blue