1. 硬的：钢制的(Steel)弦,使用乾的(dry)或较硬的(harder)松香;合成的(synthetic)弦,使用介於中间的松香;一般的羊肠弦或羊肠绕线,使用较黏的(sticky)松香. 此外,有经验的演奏家喜欢在练功室(studio)内,使用比较软的(soft)松香;
2. 硬的, 坚固的, (问题, 工作等)困难的：hardener 固化剂,硬化剂 | harder 硬的, 坚固的, (问题, 工作等)困难的, | harness 导线,装备;利用
3. 困难重重：07 Tocas miracle 2009 奇迹2009 | 08 Harder 困难重重 | 09 Point 观点
1. Many of the buyers identified themselves as early adopters and Apple enthusiasts, making it harder to tell if the iPad will win over mainstream customers.
2. The reason is that the " Tibetan independence " activities led by the Dalai group have become more and more unpopular and harder to be carried out.
3. Performers were a little harder to come by this time, but Hayama got over his early trepidation.
4. It is extremely hard to strike a balance of their interests, and harder still to take action even if a consensus is achieved on paper.
5. Success of the Chinese was not a surprise, but came as harder than imagined.
6. He adds that the government's tighter controls on foreign exchange capital inflow has made money from overseas much harder to use at home.
7. Hypertrophic cardiomyopathy thickens the heart and makes it harder to pump blood.
8. Politically, the public finds it a lot harder to categorize Demos Chiang.
9. Young people are more adaptable to change, but the elderly have found it harder to adjust.
10. It's easy to change the name of a TV station, but it is much harder to create a new country.