make or become lighter in weight, pressure, or severity 减轻(重量、压力或严重程度) [with obj.]efforts to lighten the burden of regulation. 减轻调控工作负担的尝试。 [no obj.]the strain had lightened. 压力已经减轻了。 ■make or become more cheerful or less serious 使轻松愉快 [with obj.]she attempted a joke to lighten the atmosphere. 她试图通过开玩笑让气氛轻松起来。 [no obj.]Robbie felt her spirits lighten a little. 罗比觉得她的情绪轻松了一点儿。
lighten2 verb
make or become lighter or brighter 使亮一些 [no obj.]the sky began to lighten in the east. 东方的天空开始发亮了。 [with obj.]she had lightened her hair. 她已经把头发弄亮了些。 ■[with obj.](archaic)enlighten spiritually (古)启迪,开导 now the Lord lighten thee, thou art a great fool. 汝大愚矣,愿主多多开导。
[no obj.](it lightens, it is lightening,等)(rare)emit flashes of lightning; flash with lightning (罕)闪电划过 it thundered and lightened. 电闪雷鸣。