New words：

involvement [inˈvɔlvmənt] n. 卷入；参与；投入；加入；插手；牵连

Sample Sentences：

You have no proof of my involvement in anything.
Moscow has denied any involvement in eastern Ukraine.
We're looking into her possible involvement in a murder.

deny [di'nai] v.否认；拒绝；否定；不承认

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