自告奋勇自愿请求担任某种艰巨的工作。英offer to undertake; come forward of one’s own accord; volunteer to do sth.;[查看详情]

勇往直前毫无畏惧地一直向前。例从俱摩拳擦掌个个勇往直前。——《封神演义》英strike bravely forward; go ahead boldly; advance courageously;[查看详情]

无所畏惧大胆；毫不惧怕地面对险情和难题迎着困难上。例胆小一些的人可能会犹豫而他完全是无所畏惧的。英fearless; daring; dauntless; bold;[查看详情]

见义勇为意识到是正义之举就大胆去做。英see what is right and have the courage to do it; be ready to take up the cudgets for a just cause; do boldly what is righteous; be zealous in doing what is righteous in seeing it;[查看详情]