Allegations of collusion roil the start-up business.

对勾结的申述搅乱新办企业。

youdao

As the usual afternoon thunderstorms began to roil up on the horizon, someone rushed to a nearby shebeen, a beer hall down the rutted road, to use the telephone there to call a relative who lived in the area.

NPR: One Boy's Heroism in the Face of AIDS

For instance, the European debt crisis has popped up again to threaten economies and roil markets.

FORBES: Big Stimulus Last Two Years May Pervert Usual Presidential Cycle

In 1992 the Merc launched electronic trading, but gradually so as not to roil floor brokers who would one day have to give up the pits.

FORBES: Up From the Pits