Here was a delicate problem.

这可是个需要慎重对待的问题。

It would be wise to solve this delicate problem with patience.

冷静耐心地处理这个微妙问题是明智的。

It would be wise to handle this delicate problem with calmness and patience.

冷静耐心地处理这个微妙的问题是明智的。

Is wise of him to deal with the delicate problem with care and with calmness.

他很明智，在处理这一敏感问题时及尽仔细和谨慎。

It would be wise (advisable) to handle this delicate problem with calmness and patience.

冷静耐心的处理这个微妙问题是明智的。