This is the 4646th most frequent Chinese word.
為我們
"For us."
The phrase '為我們' (wèi wǒmen) indicates the beneficiary of the action, implying that the explanation was done for the benefit of 'us'.
這位老師為我們詳細解釋了這個概念。
This teacher explained this concept in detail for us.
Here, '為我們' (wèi wǒmen) establishes the group for whom the solving action should be undertaken, demonstrating service or support.
我們希望他能為我們解決這個問題。
We hope he can solve this problem for us.
In this sentence, '為我們' (wèi wǒmen) also indicates that the suggestions are intended for 'us', emphasizing the directed and purposeful benefit.