面对突发山火,消防队员奋勇扑救,直到控制住主要火线。Miànduì tūfā shānhuǒ, xiāofáng duìyuán fènyǒng pūjiù, zhídào kòngzhì zhù zhǔyào huǒxiàn.Facing a sudden wildfire, the firefighters battled bravely until the main fire line was brought under control.
同学们奋勇争先,都想第一个冲过终点线。Tóngxuémen fènyǒng zhēngxiān, dōu xiǎng dì yī gè chōng guò zhōngdiǎnxiàn.The classmates strove bravely to get ahead, each wanting to be the first across the finish line.
他奋勇跳进河里,把落水的孩子救了上来。Tā fènyǒng tiào jìn hé lǐ, bǎ luòshuǐ de háizi jiù le shànglái.He bravely jumped into the river and pulled the child who had fallen in out of the water.