1.have a stranglehold on 控制

A few large firms have a stranglehold on the production of this essential commodity.

这种不可或缺的日用品的生产全部掌握在了少数几家大公司手里zNN,V+!XSQwU~;!。

2.thus far 迄今

He had thus far succeeded in fending off my conversational sallies.

到目前为止，我说的俏皮话还没能打动他cwXQ6195~pWwu。

3.fall to (责任、机会等) 落到…身上

The responsibility for learning and building expertise must ultimately fall to the individual with support from their manager.

说到底，学习和构建专业知识的职责还是要落到有上司支持的员工身上-%,H@UBJxaf%%|。

4.double down 加倍……

So I don't think it's time to give up. I think it's time to double down.

所以，我并不觉得已经到了该说放弃的时候，反而觉得恰好是应该加倍努力的时候Mm-..L5.U0~.^dug9e。