1(proceed/sleep/work) de manera irregular
- I had thought earlier that I might be able to get to sleep, but after 2 hours of trying fitfully, I am giving in.
- I had also been sleeping fitfully and dreaming about the race all night.
- But they remain startlingly original, if only fitfully funny.
- The engine didn't so much pull as tug fitfully at the wheels.
- He is blessed as an autobiographer with an outstandingly strange and only fitfully happy childhood.