recklessly; without considering the situation or the outcome.

the true story of a matter; the actual situation; the facts of the case

construction material made by mixing three parts slaked lime with seven parts clay

To divide or share something in a ratio of thirty to seventy (e.g., profits or costs)

The official Chinese Communist Party assessment of [[毛泽东|毛澤東|mao2 ze2 dong1]], which judges his life and work as 70 percent positive and 30 percent negative.

to ignore everything and just do something; regardless of the consequences; who cares

a land reform policy limiting farmland rent to a maximum of 37.5 percent of the main crop yield

(slang) A pimp or panderer who works outside brothels or barbershops to solicit customers. The name comes from the traditional 30/70 split of earnings between the pimp and the prostitute.