您要查找的是不是：
- an impregnable belief; an unshakable faith 坚定不移的信念
- The team built up an impregnable 5-1 lead. 这个队以 5:1 的绝对优势领先。
- The Sword Gate used to be an impregnable pass. 剑门雄关。
- This is an impregnable fortress. 这个堡垒是攻不破的。
- an impregnable belief 坚定不移的信念
- The lawyer won his case with an impregnable argument. 律师以无可辩驳的论据打赢了那场官司。
- Unity is strength./ Unity of will is an impregnable fortress. 众志成城。
- Only in this way can you be in an impregnable position for good. 也只有这样，你才能永远立于不败之地。
- Business then had entrenched itself into an impregnable position in American life. 那时商业已在美国生活中占据了坚不可摧的地位。
- Nothing but an impregnable simplicity of nature, strengthened by Christian faith, could have kept him from it. 只是由于她坚贞不移的纯朴本性，加上宗教信仰的力量，才使他抵住了这种诱惑。
- The castle shows two faces: It is a princely residence to the lakeside but an impregnable fortress to the mountains. 城堡有双向功用，既是面向湖畔的高贵居所，也是面向山脉的险要军事要塞。
- The tippler brought his speech to an end, and shut himself up in an impregnable silence. 说完，酒鬼不再说任何一句话了。
- "Ashamed of drinking!" The tippler brought his speech to an end, and shut himself up in an impregnable silence. “惭愧自己喝酒！”酒鬼不再说话，陷入了深深的沉默。
- Ashamed of drinking!" The tippler brought his speech to an end, and shut himself up in an impregnable silence. 惭愧自己喝酒！”酒鬼不再说话，陷入了深深的沉默。
- Before World War II, the French regarded their Maginot Line as an impregnable bulwark against a German invasion. 二战前，法国人认为他们的马其诺防线是不可攻破的堡垒，足以防御德国人的入侵。
- Therefore, the family installs the company, if wants to be in an impregnable position in the intense market competition must seek some new breakthroughs. 所以，家装公司要想在激烈的市场竞争中立于不败之地必须寻求一些新的突破。
- Under the innovation atmosphere, the innovation only then has the nourishment, the enterprise only then has the core competitiveness, can be in an impregnable position. 在创新的氛围下，创新才有养料，企业才有核心竞争力，才能立于不败之地。
- "Harry - we've just got to grit our teeth and do it," said Ron on Friday morning, in a tone that suggested they were planning the storming of an impregnable fortress. “哈利，我们得咬紧牙关试一试了。”罗恩星期五上午用一种他们似乎要进攻一座固若金汤的城堡的语气说。
- I gave him money as an inducement to leave. 我给他钱，诱使他离去。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
