If you need help, send up a flare so that we can locate you.如果你需要帮助,发射一颗信号弹,这样我们就能锁定你的位置。The wrecked ship was firing flares to attract the attention of the coastguards.遇难船正发射信号弹以引起海岸警卫队的注意。Guns were blazing, flares going up and the sky was lit up all around.炮火不断,信号弹此起彼伏,四周的天空都被照亮了。