他的不合作态度使这个项目进展十分缓慢: the project is making slow progress because of his uncooperativeness
步子: step; pace; footstep 短语和例子用步子量出三十米的距离 pace out a distance of thirty metres; 加速技术革新的步子 quicken the pace of technical innovation; 步子轻快 walk with springy steps; 步子越迈越大 be made a faster and fa