1. It suddenly occurred to one of the workers to open up the box.
    突然一个工人想到打开箱子看看。

2. Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey----still in perfect condition.
    想一想他们所感受到的惊奇和兴奋 -- 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 -- 发动机完好无损。

3. In this way, students can help to keep the online environment open and friendly.
    此外，学生在答题之前有时间对所给的信息进行思考，这就使得网上环境开放而友好。

4. In nearly every situation, a warm and firm handshake is a safe and positive way of showing an open and friendly attitude toward the people you meet.
    几乎在所有的场合中，热情而有力的握手都是一种安全而积极的做法，向你所遇到的人表明你开放、友好的态度。

5. If we trust each other, we are willing to be open to each other and reveal our true selves.
    如果我们彼此信赖，我们就愿彼此开诚布公，敞开心扉。

6. Frank begged him to do so and the dealer reluctantiy prised it open. The contents were disappointing.
    弗兰克请求他把箱子打开，商人勉强地把它撬开了。里面的东西使人感到失望。

7. Frank begged him to do so and the dealer reluctantiy prised it open. The contents were disappointing.
    弗兰克请求他把箱子打开，商人勉强地把它撬开了。里面的东西使人感到失望。

8. Frank begged him to do so and the dealer reluctantly prised it open.
    经弗兰克恳求，古董商才勉强把货箱撬开了。