n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺,剔骨头;剔去…的骨;
vi. 苦学;专心致志;
🗣️ 情景例句
Why was she working anyway? She's rich.
真弄不懂她当初为什么要工作。她是有钱人呀。
It is lost labour to sow where there is no soil.
没有土壤,播种也是徒劳。
One night, the gaoler decided to play a joke on his colleague to find out if, after so many performances, he had managed to learn the contents of the letter by heart.