"dubious connections" is a correct and usable phrase in written English.
It is typically used to describe uncertain or questionable relationships between people, ideas, or events. Example: The politician's downfall was largely due to his dubious connections to several corrupt businessmen.
The more Bush officials insisted upon these dubious connections, the less persuaded Americans seemed to be.
They would have no option but to police their riders properly, avoiding stars with dodgy pasts and dubious connections.
Okay, it's certainly starting to look like Nidal Hasan held some extreme views and had some dubious connections.
The seven are among 14 people, including one with dubious connections to Australia's failed bid, charged with racketeering, wire fraud and money laundering conspiracies.
On the economic front is a growing scandal over dubious connections and misused funds at a national investment fund, 1MDB, that Mr Najib launched and which is now burdened with $12 billion of debts.
Mansour, an "eerily brutal and bright" Jewish financier with dubious connections, invites him to frequent lunches and dinners, where finger bowls are de rigueur and a bodyguard named Jason provides on-the-spot shoulder massages.
I'm from Boston!" Just that dubious connection makes us companionable on Google+, makes us "social connections," as the local Google+ idiom has it.
And it has dubious connection to the actual kitchen paces that any of the chefs in the competition have gone through or might.
This was audacious because we were a "nobody", and we were trying to use a dubious connection to request that resource.
The decision to shut down the embassy was also inevitable, given the deteriorating security situation, the lack of contacts with the Houthi rebels and a dubious connection with Iran, which could easily complicate the embassy's security profile.
The list is based exclusively on sales figures from eBay, so it's a dubious connection to say the least, but it's still interesting to note which states couldn't get enough Daft Punk on vinyl last year.
