n. 根,根源;原因,本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼,喝彩;
vi. 生根;根除;
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
Come to me if you're in any difficulty.
有困难来找我。
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.