между тем bedeutet auf Englisch

meantime▼(meanwhile)
adverb
[UK: ˈmiːn.taɪm] [US: ˈmiːn.ˌtaɪm]

meanwhile▼(at the same time but elsewhere)
adverb
[UK: ˈmiːn.waɪl] [US: ˈmiːˌn.waɪl]