

A greve vai atrasar os comboios todos.
O voo atrasou duas horas por causa do nevoeiro.
Não quero atrasar a reunião por minha causa.
"atrasar" is in the lesson "Verbs 15" (Level 27), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.