

В автобусе кондуктор проверяет билеты.
On the bus, the conductor checks tickets.
Спросите у кондуктора, где нам выходить.
Ask the conductor where we should get off.
Я уже отдал деньги кондуктору.
I've already given the money to the conductor.
"кондуктор" is in the lesson "Travel" (Level 8), along with 17 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.