You're in charge of a sales team. One of the salespeople on your team has sold a lot this week. Now you're in a team meeting. You want to tell everyone about her good performance.
Louise has been killing it!
Use "has been ___ing" to describe an ongoing or continuous situation that's still going on now:
Akane's been cooking all day.
Or it can be a situation that you're not sure whether it's finished or it's going to continue:
It's been cloudy all morning, but it looks like the sun might come out soon.
This is a slang expression that means that someone is doing very, very well.
Use this to talk about people succeeding, not just a little but a lot, in things like:
- grades in school
Young people in their 30's or below are most likely to use this expression. Although it uses the word "kill", it doesn't really have a violent association. However, it does have an active, aggressive feel to it.
By the way, you always use "it" in this phrase. You shouldn't replace "it" with another noun.
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