sans cesse betyder på engelska

over and over▼◼◼◼(repeatedly)
adverb
[UK: ˈəʊv.ə(r) ənd ˈəʊv.ə(r)] [US: ˈoʊv.r̩ ænd ˈoʊv.r̩]

incessantly▼◼◼◼(in a manner without pause or stop)
adverb
[UK: ɪn.ˈsesnt.li] [US: ˌɪn.ˈse.sənt.li]