1、一聽這件工程危險性很高，大半人都嚇得打了退堂鼓。

1, listen to the project risk is very high, most people are scared to play drums.

2、即使困難重重，我們絕不打退堂鼓。

2, even if the difficulties, we will never beat a retreat.

3、處事一遇困難就打退堂鼓的人，是沒有出息的，也很難在事業上成功。

3, work difficulty will beat a retreat of people, there is no prospect, it is difficult to succeed in business.

4、大伙本來要去花東縱谷游玩，但聽說路途艱難，住宿也不方便，因此就有幾個人打了退堂鼓。

4, and everyone would have to spend the East Longitudinal Valley to play, but I heard a difficult journey, accommodation is not convenient; therefore, there is few people playing the drums retreat.

5、既然已經決定完成這件任務，大家就要互相幫助、鼓勵，別打退堂鼓。

5, since it has been decided to complete the task, we should help each other, encourage, don't beat a retreat.

6、進行科學實驗的工作，必須逐步地小心驗證，不能一遇困難就打退堂鼓。

6, to carry out scientific experiments work, step by step to careful verification, no difficulty will beat a retreat.

7、那些飆車的年輕人一見警察上前攔阻，察覺情勢不妙，便紛紛打退堂鼓，溜之大吉了！

7, the young man saw the police car approached arresting, aware of the situation is not good, they have to beat a retreat, seek safety in flight!