翻译：下定决心，不怕牺牲，排除万难，争取胜利！

下定决心，不怕牺牲，排除万难，去争取胜利。
Be resolute, fear no sacrifice and surmount every difficulty to win victory.
或
Be resolute and unafraid of sacrifice, and surmount every difficulty to win victory.
或
Set firm resolve, fear no sacrifice, overcome all the difficulties to strive for the victory.