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to mean business
01
to be very serious about fulfilling one's intentions
![to [mean] business definition and meaning](https://cdn.langeek.co/photo/42928/original/?type=jpeg "to [mean] business definition and meaning")
例
I was skeptical at first, but this Johnathan they hired, truly means business.
Those boys knew we meant business.
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to be very serious about fulfilling one's intentions