F-18:free-wheeling 随心所欲的
A:Are you free-wheeling about what you do?
A:你的事能自己做主吗？
B:Well, depends on what I do. Sometimes my father gives me a free hand, and sometimes he demands that I toe the line.
B:嗯，那要看什么事。有时候我父亲不管，有时候我就得听他的。
A:If you join us on our expedition, what will he say?
A:如果你和我们一起去探险，他会怎么说呢？
B:To tell you the truth, he may not think it is a good idea.
B：说实话，他可不会认为这是个好主意。
