hold fast

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释义
坚定；坚持；保持
To remain determined, stalwart, and unyielding, as in one's position or opinion.

例句
Tyrion:Hold fast!
Joffery :What are you doing? We need to attack them.(Game of Thrones)
小恶魔：保持住！
赵福瑞：你在干什么？我们得打他们。（权力游戏）