Indefinitive
a. 非决定性的, 不明确的
🗣️ 情景例句
You messed up.
你办砸了。
Kinsman helps kinsman,but woe to him that hath nothing.
亲人帮亲人，无亲来帮愁煞人。
Let us suppose that a child suddenly crosses the road in front of you.
让我们假设一个小孩子突然在你前面穿过马路。