您要查找的是不是：
- We must maintain the opening. 我们必须保持开放。”
- We must maintain the style of arduous struggle and plain living. 我们必须保持艰苦奋斗的作风。
- When praise is lavished on you, it's tempting to relax a little, but we must maintain the same approach we've had over the last few games”. 当人们都来赞扬你，你可以放松一点，但是我们必须保持同样的方法状态来拿下之后的比赛。”
- We must maintain an open mind on such questions. 在这种问题上心胸要开阔一些。
- We must maintain a firm attitude. 我们必须采取坚定的态度。
- We must adhere to the open policy. 我们必须坚持开放政策。
- They must maintain the rhythm in unison. 两者必须保持节奏的合拍。
- We must maintain keen vigilance at all times. 任何时候我们都要保持高度的警惕。
- We must try to maintain the equilibrium of supply and demand. 我们必须努力保持供求均衡。
- We must maintain friendly relations with them. 我们必须和他们保持友好关系。
- We must maintain a firm attitude . 我们必须采取坚定的态度。
- In addition to stability and unity, we must maintain liveliness. 要安定团结，也要生动活泼。
- In addition to stability and unity,we must maintain liveliness. 要安定团结，也要生动活泼。
- Second,we must maintain a liberal world trading system. 第二，我们必须维持一个自由开放的世界贸易体制。
- Second, we must maintain a liberal world trading system. 第二，我们必须维持一个自由开放的世界贸易体制。
- So, we must maintain defenses of unassailable strength. 所以，我们必须维持我们的不可战胜的防卫力量。
- We bivouacked on the open plain. 我们在开阔的原野上露营。
- We were obligated to attend the opening ceremony. 我们有必要参加开幕式。
- What do you think we must do in order to maintain the peace of the world? 为了保持世界和平你认为我们必须做什么?
- We must maintain a military standard, an alertness, and never vary it. 我们必须保持军队的准则，应当随时注意，切勿随时变动。
