我理解这对你来说是个艰难的决定。

I ___appreciate that it is a difficult decision for you to make.

考虑到法律程序的复杂性，我们充分理解进展将会缓慢。

Given the complexity of the legal process, we fully ___appreciate that progress will be slow.

项目经理理解为了赶上截止日期所涉及的技术挑战。

The project manager ___appreciated the technical challenges involved in meeting the deadline.