您要查找的是不是：
- We view these changes with guarded optimism. 我们以审慎的乐观看待这些变化。
- Though that announcement had been hedged with the usual caveats, there was guarded optimism that MDP 301 would have similar results. 尽管结果像通常的解释那样没有正面回答，乐观地看MDP301会有相似的结果。
- FAA forecast guarded optimism about GA 预报提防对
- cautious optimism; guarded optimism 审慎乐观
- The dog kept a vigilant guard over the house. 这只狗警惕地守护着这所房屋。
- He urged them to guard against conceit. 他要求他们防止骄傲自满。
- He swings from wild optimism to total despair. 他由极其乐观一变而为完全绝望。
- He bribed his way past the guard and escaped. 他买通看守而逃之夭夭了。
- I was off my guard and made no suitable reply. 我没提防，因此没有作出适当的回答。
- The guard of honor headed up the whole parade. 仪仗队走在游行队伍的最前头。
- Everyone should be guarded by legal barricades. 人人都应受法律保障。
- The ammunition depot is heavily guarded. 弹药库戒备森严。
- The prisoners were closely guarded. 囚犯受到严密监视。
- A mood of optimism pervaded the gathering. 会上充满乐观的气氛。
- Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手。
- I would caution against undue optimism. 我奉劝不要过于乐观。
- His jealously guarded secret was soon common property. 他小心翼翼保守的秘密很快就成为众所皆知之事。
- They professed optimism about the outcome. 他们对结果表示乐观。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- The dog guarded the house against strangers. 狗守卫着房屋，不让陌生人进去。
