needful
adj
1 necessary 需要的; 必要的: promise to do what is needful 答应做必须做的事.
2 (idm 习语) do the `needful do what is required, esp by providing money for sth 做必须做的事(尤指为某事物提供金钱).
🗣️ 情景例句
My, what a downpour! And there doesn't seem to be any sign of its stopping.
哎呀,好大的雨呀!没有一点像要停的样子。
Spot, the dog, always whimpers when he is left alone.