1.make up ine's mind 下定决心
例句：Once they make up their mind, it's hard to change it.
一旦他们下定决心，就很难改变他们的心意。

2.go with the flow 随波逐流、随遇而安

例句：And as I said before, this is a sign that kind of goes with the flow.

而就像我先前说的，这是个有点随波逐流的星座。

3.be represented by 以···来代表

例句：So the first sign of zodiac is Aries, and Aries is represented by a ram.
第一个星座是白羊座，而白羊座是以一只公羊来代表。

4.change one's mind 改变心意

例句：They are always changing their mind.
他们总是在改变他们的心意。