

今日の試合は、君のベストだったね。
どの写真がベストだと思いますか。
本当にベストをつくしましたね。
"ベスト" is in the lesson "Praises" (Level 36), along with 11 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.