Undisciplinable
a. 不可以訓練的,不可以調教的
??? 情景例句
He is now involved in stocks.
他現在熱衷于股票。
The contract contains basically all we have agreed upon during our negotiations.
合同將我們達成協議的內容基本上都寫上了。
Opportunity knocks but once.
機不可失，時不再來。