Challenges
n. 挑战( challenge的名词复数 ); 要求; （警卫等）查问口令; 怀疑
🗣️ 情景例句
Richard, this is Mitchell Johnson.
Richard，这是Mitchell Johnson。
Being happy in my work is most important to me.
工作中开心最重要。
He has an old head on young shoulders.
他年轻又有见识。