vt. 需要;必须;
aux. 必须;不得不;
n. 需要;需要的东西;责任;贫穷;
vi. (表示应该或不得不做)有必要;
🗣️ 情景例句
You're in sad condition.
你的健康很成问题。
Good medicine tastes bitter.
良药苦口。
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.