1. 作为理想的做法;合乎理想地
If you say that ideally a particular thing should happen or be done, you mean that this is what you would like to happen or be done, but you know that this is may not be possible or practical.
e.g. People should, ideally, eat much less fat.
理想情况下,人们应食用比现在少得多的脂肪。
2. 最适合地;绝好地;完美地
If you say that someone or something is ideally suited, ideally located, or ideally qualified, you mean that they are as well suited, located, or qualified as they could possibly be.
ideally在线翻译
e.g. They were an extremely happy couple, ideally suited...
他们是极其幸福、无比般配的一对。
e.g. The hotel is ideally situated for country walks...
宾馆坐落的位置非常适合乡间散步。