When we try to do something new, we don't know what we're doing. That's the biggest challenge.
📚 名句词汇解析
从本句名言中提取的重要词汇，帮助你深度理解这句话
v. 知道;了解;认识;确信;
n. 知情;
💡 知道know的人爱说自己不no知道
"Do you know your ABC?"
你认识所有的字母吗？
近义：learn, understand, get, cognize, comprehend, meet
n. 挑战;盘问;质疑;怀疑;
vt. 质疑;向…挑战;
vi. 提出挑战，要求竞赛（或竞争）;驳斥;
💡 叉那鸡（谐音）：用叉子叉那只鸡是 挑战 网友：zhang 补充：chall=call（喊叫）+eng=ing（发生了一次元音字元音变）+e（名词后缀，只表示这是
"It was a challenge, keeping ten boisterous seven-year-olds amused."
要逗着十个好动的七岁孩子玩真是一种挑战。
近义：impugn, negate, object, oppose, oppugn, outdare
反义：back, backstop, reinforce, second, support, advocate