Waves rise and fall.

波浪此起彼伏。

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If you go surfing, you will rise and fall with the waves.

如果你去冲浪，你会随波浪起伏。

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They are not regulated like a boy's hormones but come in huge waves over a 28-day cycle and can cause havoc for many girls and women due to the rise and fall of emotions that go with it.

它们不像男性激素那样受大脑调节，而是按照一个28日周期巨浪般涌现，由于情感方面巨大起伏，能给许多少女和妇女造成伤害。

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