Perhaps a more cautious approach would bring better results. 更谨慎一些的方法也许会带来更好的结果。

The new principal gave a cautious welcome to developments in the neighbourhood (=was pleased but careful not to be too excited) . 新校长对街区的发展表示谨慎的欢迎。

cautious about doing sth Companies seem cautious about investing (=are unwilling to invest) money in research and development. 公司在研究开发方面的投资似乎比较谨慎。