The phrase 'complacent by' is not a commonly used phrase and should not be used in written English.
In some cases, it might be possible to reword part of a sentence to read 'complacent in', but this would depend on the context in which the phrase is being used. For example: She was becoming complacent in her success.
From the 1990s coalitions led by the PPP formed governments made increasingly complacent by unstinting support from Indo-Guyanese, the largest group of voters.The co-habitation of the past three years has been no more productive.
Without Nadal as a reminder of his limitations, Federer might have become complacent by age 30 instead of remaining hungry for more titles, more travels, more athletic challenges, even with twin daughters in tow.
But Osborne was accused of being "breathtakingly complacent" by the shadow chancellor, Ed Balls, who said the economy had flatlined as a result of the government's tax and spending plans.
Does this really justify reordering a society's priorities?In Europe, which has yet to suffer a large-scale al-Qaeda attack, governments risk being made complacent by their long experience of a different sort of terrorThe case for thinking it does is that al-Qaeda's terrorism is different in kind from the sort practised by traditional terrorists.
"In the meantime I can't be complacent by taking my eye off the ball and let Karpency upset the plans".
We believe that policy makers should thus be prudent in designing CO2 emission reduction policy and be careful not to let polluters become complacent by postponing some of their emission reduction efforts awaiting the silver bullet technology on the horizon.
Verloc, a dullish spy embedded in a circle of ineffectual English anarchists, is tasked by a foreign government (here Germany) to rile a complacent Britain by blowing up the Greenwich Observatory.
It's way too easy to grow complacent, fed by the desire to have the fight done with as well as by the seductive message of some in the media who've simplistically declared victory for the LGBT rights movement.
(Reza was afraid that Nora would recognize herself in a passage of complacent prattle by the mother in "A Spanish Play," "but luckily she didn't").
The question is whether the Knicks will capitalize, or be complacent, lulled by the knowledge that they have a potential Game 5 at Madison Square Garden to fall back on.
Scott Thomas plays Suzanne, a quietly frustrated, fortysomething mother with unfulfilled personal and professional aspirations, shaken out of her (un comfortably complacent marriage by an overwhelming infatuation with Sergi López's burly handyman, Ivan.
