除去障碍

消除障碍：排除(～万难)
清除路障：清道
　清除道路、河道等处的障碍物：清障
扫除障碍：拥彗　拥彗
排除困难和障碍：拔钉抽楔　拔丁抽楔　拔楔抽钉　抽钉拔楔　抽丁拔楔
　排除前进中的困难和障碍：劈波斩浪　劈风斩浪
扫除前进中的困难障碍：劈荆斩棘　披荆斩棘　负芒披苇
斩除荆棘：翦棘
消除症结：释结

• 层密
• 层层
• 层层加码
• 层层叠叠
• 层层堆叠
• 层层增加，积聚
• 层层影响成为风气
• 层层深入
• 层层深入、透彻地分析事理
• 层层的栏杆
• 层层着实
• 层层设防
• 层层迭迭
• 层层重叠
• 层层青色
• 层山叠嶂
• 层山重山
• 层山重山迭岭
• 层岭
• 层峙
• 层峦
• 层峦叠嶂
• 层峦叠巘
• 层峻
• 层崖叠嶂
• one off
• one-offs
• one of its kind
• one of these days
• one of those days
• oneonone
• one-on-one
• one or two
• on equal terms (with sb)
• onerosities
• onerosity
• onerous
• onerously
• onerousness
• onerousnesses
• ones
• oneself
• one-shot
• oneshot
• one-sided
• onesided
• one sided
• one-sidedly
• one-sidedness
• one-sidednesses