More N1 vocabulary

• 恋愛れんあいlove; love-making; passion; emotion; affections
• 増進ぞうしんpromoting; increase; advance
• 励むはげむto be zealous; to brace oneself; to endeavour; to strive; to make an effort
• 図るはかるto plot; to attempt; to plan; to take in; to deceive; to devise; to design; to refer A to B
• 世論せろんpublic opinion
• 弟おとyounger brother