1. make hay : 翻晒干草; ；
名词
1. （作饲料用的）干草
Hay is grass which has been cut and dried so that it can be used to feed animals.
2. 趁太阳好晒草;抓紧有利时机;不失良机
If you say that someone is making hay or is making hay while the sun shines, you mean that they are taking advantage of a situation that is favourable to them while they have the chance to.
1. grass mowed and cured for use as fodder