1 (used for emphasizing how small or unimportant sth is) nothing more than (用于强调小得可怜或微不足道)只不过,仅仅:
90% of the country's land is owned by a mere 2% of the population.该国90%的土地掌握在仅仅2%的人口手里。
2 used to say that just the fact that sb/sth is present in a situation is enough to have an influence (用于表示某人或某事物仅仅存在就足以产生影响):
The mere thought of giving a speech in public makes me feel sick.一想到公开发表演说,我就觉得厌恶。
the merest even a very small amount of sth 甚至是极小量的;连一点点的:
The merest smell of the fish market made her feel ill.一点点鱼市场的气味也使她感到不适。