1.gut-wrenching 极度痛苦的

My uncontrollable curiosity had taken a step above my gut-wrenching fear.
我抑制不住的好奇心战胜了压抑勇气的恐惧^+Bl%wc4|b]%@B%ra。

2.underpin 支持

UK Businesses and governments rely on sound financial knowledge to underpin their strategies for success.
英国企业和政府依靠健全的财务知识成功地巩固了他们的策略Ycqg7y2bE!!V。