Her feeling for John wax and wane.

她对约翰的感情越来越淡。

The protracted episode illustrates how public health scares wax and wane.

这一迟到的插曲表明，公众对健康的担忧一时高涨，一时低落。

The [protracted] episode illustrates how public health scares wax and wane.

这一迟到的插曲表明，公众对健康的担忧一时高涨，一时低落。

And men, nations, doctrines, what you will, wax and wane by analogous ACTS of selection.

以及人，国家，教条，你将的，通过选择的类似行为的盈亏。

Beneath the heavenly sphere this solar cycle is mirrored in the lunar cycle of wax and wane and tidal ebb and flood.

在天球里，太阳的活动周期也反映在月亮的盈亏圆缺和相对应的潮起潮落的月运周期。