usilovný znamená v Angličtina

diligent▼(hard-working and focused)
adjective
[UK: ˈdɪ.lɪ.dʒənt] [US: ˈdɪ.lɪ.dʒənt]

industrious▼(hard-working and persistent)
adjective
[UK: ɪn.ˈdʌ.strɪəs] [US: ˌɪn.ˈdə.striəs]