"the waning of his enthusiasm was obvious"
"the waxing and waning of the moon"
Adjective:
(of the Moon) pertaining to the period during which the visible surface of the moon decreases;
"after full moon comes the waning moon"
双语例句
1. The moon was waning, and each day it rose later.
月亮渐亏，每天出现的时间也越来越晚。
来自柯林斯例句
2. Her popularity clearly shows no sign of waning.
她的受欢迎程度显然没有下降的迹象。
来自柯林斯例句
3. Her enthusiasm for the whole idea was waning rapidly.
她对整个想法的热情迅速冷淡了下来。
来自《权威词典》
4. The day is waning and the road is ending.
日暮途穷.
来自《现代汉英综合大词典》
5. His strength is waning.
他的精力渐渐衰颓.
来自《现代汉英综合大词典》
Most of these new jobs pay less than regular jobs, and few come with good benefits. The standard American job, with a40-hour workweek, medical benefits and a pension at age65, is on the wane. 这些新工作(机会)多半待遇不如正式工作，并且福利优厚的不多。每周40小时，有医疗保险，并且65岁可领退休金的标准美国工作越来越少。
Her enthusiasm for the expedition was waning rapidly. 她对这次出行的热劲迅速减低。
The moon wax till it become full, and then wane. 月亮渐渐变圆直至满盈，然後再变亏缺。
