もっと注意深く

more carefully

→ もっと
phrase Rare #42,165
more carefully Used to describe doing something with greater care or attention. 注意深く is the adverbial form of 注意深い, meaning careful or attentive.
JA: 説明をもっと注意深く読んでください。
EN: Please read the instructions more carefully.

しかしながらこの問題はもっと注意深く考えて見るべきだ

However, we should consider this issue more carefully.

この問題をもっと注意深く考えなければならない

I need to think about this problem more carefully.

彼女はもっと注意深くする必要がある

She needs to be more careful.