Duits [prefix]Engels [prefix] ▶halb [prefix] ▶semi- [prefix] Duits [adj] Engels [adj] ▶halb [adj] Es dauert halb so lange. ▶half [adj] It takes half the time. Duits [adv] Engels [adv] ▶halb [adv] Es gibt halb so viele Schüler wie letztes Jahr. ▶half [adv] There are half as many students as last year.