ADJ-GRADED
勇敢的;果决的;无畏的
A valiant action is very brave and determined, though it may lead to failure or defeat.
例句
Despite valiant efforts by the finance minister, inflation rose to 36%.
尽管财政部部长采取了一系列果决措施，通货膨胀率还是涨到了36%。
...a valiant attempt to keep the business going.
为把生意维持下去而作的勇敢尝试