1. Without a thought

毫不犹豫；没想过

eg. The talent of success is nothing more than doing well whatever you do without a thought of fame.

取得成功的秘诀不过是无论干什么都把它干好而不去想到出名。

eg. This can lead to consumers taking these remedies without a thought about overdosing or side effects.

这会导致消费者服用这些制剂时，从没想过可能过量或副作用。

2. make use of

使用，利用

eg. This article provided some descriptions of the API, along with some sample code to illustrate how to make use of them.

这篇文章提供了应用程序编程接口的一些描述以及一些样本代码来阐明如何使用他们。

3. spring on

突然向…提出

eg. Mother reindeer had to leave her baby behind on whom the hyenas had sprung.

驯鹿妈妈无可奈何地离开了被一群鬣狗扑住的孩子。

eg. Just as I arrived there he sprang on me that I had to come back immediately.

我刚一到达那里，他就(突然)告诉我，让我立即返回。