振振有词

tā men zhèn zhèn yǒu cí de shuō rú guǒ zhè ge mù biāo néng gòu shí xiàn nà me fù yǒu xiǎng xiàng lì de jiào xué bì jiāng yuán yuán bù duàn de bèng fā

他们振振有词地说，如果这个目标能够实现，那么富有想象力的教学必将源源不断地迸发。

If that can be achieved, they argue, imaginative teaching methods will surely spring forth.