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
If you roughhouse with a cat, you're going to get scratched.
如果你喜欢和猫嬉戏,可能会被爪子抓伤。
What do you do in your spare time?
空闲时间你干什么?
Whenever Arthur was angry, he would walk out of the room.