You know what it looks like… but what is it called?
TAKE THE QUIZ“onething”
The following 5 entries include the term onething.
let's get one thing perfectly clear
idiom: I want you to understand completely —usually used to express anger
one thing after another
idiom—used to complain about the large number of bad or unfortunate events that happen to someone
one thing and another
idiom: various things that have happened
one thing is (for) sure
idiom: it is certain : certainly
(what) with one thing and another
idiom—used to say that one has been very busy doing or dealing with many things