Used as a response meaning fairly good or well, to questions such as “How are you?” or “How is business?” For example, How've you been?—Can't complain. This term means that nothing serious is wrong. [Mid-1800s]
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How to use can't complain in a sentence
And it might be what Islamists complain about while sitting in their caves.Why We Stand With Charlie Hebdo—And You Should Too|John Avlon|January 8, 2015|DAILY BEAST
I could complain about how, two out of eight episodes in, Agent Carter is in no hurry to introduce its real villain.
Marvin takes off his T-shirt and dives into his swimming pool.The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
On the one hand, residents of these neighborhoods complain of over-policing.
There was a handy distraction in the Che t-shirt the tourist was wearing while celebrating the death.The Life and Hard Times Of The Family A Cuban Defector Left Behind|Brin-Jonathan Butler|December 19, 2014|DAILY BEAST
There'll be heaps uh fun in the Cypress Hills country when they get t' runnin' the whisky-jacks out.Raw Gold|Bertrand W. Sinclair
An with that I laid down on the settee, an felt orful bad, an the more I tho't about it, the wus I felt.
I've tried to teach lots of folks; an' sum learns quick, an' some don't never learn; it's jest 's 't strikes 'em.
But ef Jos keeps on, airnin' ez much ez he hez so fur, he's goin' ter pay the Injun part on 't, when he cums.
Only in the pursuit of agriculture can the black man not complain that he is discriminated against on account of his color.The Homesteader|Oscar Micheaux