The phrase "advising them to keep" is correct and usable in written English.
You can use it when suggesting or recommending that someone maintain a certain behavior or practice.
Example: "The consultant is advising them to keep their current marketing strategy, as it has proven effective."
Alternatives: "recommending they maintain" or "suggesting they continue".
Just a month earlier, he said, he was advising them to keep 25percentt in the stock market and the rest in cash equivalents.
Duke University, for example, sent e-mail messages to 112 students studying in Western Europe, Bolivia, Costa Rica, Bermuda and Russia, advising them to keep a low profile, travel in small groups and avoid typically American hangouts like the embassy or cafes that might be obvious targets.
The judge advised them to keep working.
But when asked, he does advise them to keep sofas and tables away from the edges of the rooms.
He gave them the drugs, instructed them on how to use them, discussed their effectiveness and advised them to keep calendars regarding their drug use, the prosecutors say.
PSG will likely have Thiago Silva and David Luiz – compatriots of Costa - at centre-back and Blanc has advised them to keep cool even if Costa provokes them.
Bleszinski asked his artists to create a "sci-fi" hybrid of London and Washington, D.C., but advised them to keep the futuristic well balanced with the historical.
The Stanford Superstars, his hand-picked all-star team, were the winners, and he advised them to keep their money in his bank.
The experts advised them to keep the NHS stable, maintain high standards and keep staff motivated to work harder with less money.
As for the new owners, Bradshaw advised them to keep the cat as an indoor-only pet, because it grew up as such in the embassy.
A former telecommunications analyst supported this view and said that it wasn't until mid-2000, afthe technologylogy stock slide had begun, that his research director called together the firm's analysts and advised them to keep individual investors' interests in mind when doing research.
