

社長は会議で新しい目標を宣言しました。
禁煙を宣言したのに、もうたばこを吸ってるの?
これから市長が大会の開会を宣言します。
"せんげんする(宣言する)" is in the lesson "Verbs 14" (Level 26), along with 10 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.