

兄は医者です。
早く医者に行ったほうがいいですよ。
将来、医者になりたいですか。
"いしゃ(医者)" is in the lesson "Treatment" (Level 13), along with 13 other useful words. LinDuo has 180 topic lessons like this one, 2,379 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.