то и дело angolul

now and then▼((idiomatic) sometimes; occasionally; intermittently)
adverb
[UK: naʊ ənd ðen] [US: ˈnaʊ ænd ˈðen]

time and again▼(often; repeatedly)
adverb
[UK: ˈtaɪm ənd ə.ˈɡen] [US: ˈtaɪm ænd ə.ˈɡen]