X factor
n. 未知因素
🧩 词语组成解析
factor
['fæktə]
n. 因素;<数>因子;代理人;
vt. 把…因素包括进去;[数学]分解…的因子，将…分解成因子;以代理商（或管家等）的身份行事，做代理商（或管家）;
vi. 做代理商（或管家）;
🗣️ 情景例句
You don't need to call a plumber, I can fix the sink.
你不必请水管工人了，我会修水槽。
If we had been more careful, we would be getting much better results now.
如果我们更为细心的话，成绩会更好。
No problem. we'll make it later in the month.
没关系，这个月改天再说吧。