打吧,打不下去,跑吧,跑不了,敌人只好投降。
Unable to fight on or to escape, the enemy were forced to surrender.
他必须要试一下,总得做点什么吧,而他只好用指尖去够。
He had to try and do something and he could only get his fingertips to it.
大卫强忍泪水。“那就签吧,”他说。“我只想要我的乖女儿快回家,”玛丽也只好答应说。
David choked back tears. "Take the deal" he said. "I just want my little girl back." Mary agreed.
Because you nag, you nag, you nag, the person says, "Fine, okay," and that reinforces it.
因为孩子不停的唠叨,你只好说,好吧,而这就形成了强化。
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