Please explain "sink or swim" in this sentence: "Nobody really taught us anything. We had to find our own way. Basically, it was sink or swim." My comments: If a swim coach throws a new comer head ...

(资料来源:英国奥林匹克队网页) 例句 Mary has decided to open a clothes shop in spite of the current economic recession. Let's see if she will sink or swim. I've been accepted by one ...