单词self-sacrificial
In this case, taking a tough, if self-sacrificial, line at the beginning pays dividends in future rounds of the game.
在这个事情上，如果自我牺牲，从一开始就采取强硬姿态会在未来几轮游戏中获得额外的资金。
In every way, Harry does this, from his family ties to his self-sacrificial actions.
无论从哪点看来，从他的家庭纽带到他自我牺牲的举动，哈利都是这样做的。