Ex. their spirits began to droop when the enemies came beleaguering their base .

当敌军包围起他们的基地时,他们的精神开始萎靡.

Problems such as imbalances in economic and social development between urban and rural areas as well as across different regions , the extensive pattern in economic development , demographic , resource and environmental strains as well as problems beleaguering employment , social security and income distribution remain to tackle .

城乡之间、地区之间、经济与社会发展之间还不平衡、不协调，经济发展方式粗放，人口、资源、环境压力大，劳动就业、社会保障、收入分配等方面问题仍然较多。