Part of speech: Verb
Try to knock-down all the barriers.
You need to calm down. - 40880
You know that you are tired when you lay down for a nap after dinner and then wake up to your husband telling you it is bed time. - 53
The theory of gravity is falling down. - 284
Key words: Down, Knock, Knock-Down, Knocked, Knocked-Down, Knocking
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