1) His aim is uncertain.
他的目标不明确.
4) tangible goals
明确目标
1.
The teaching experiment of goal set-up shows that the teaching effects of tangible goals is better than that of intangible goals; in the course of goal teaching, The level of anxiety and arousal has a close relationship with the command of techniques.
通过对目标设置的教学实验研究结果表明 :明确目标的教学效果比模糊目标的教学效果好 ;在目标教学的过程中焦虑和唤醒水平与技能的掌握有密切关系 ;目标设置对学生的努力程度有很重要的影
补充资料：明确
1.清晰明白而确定不移。 2.使清晰明白而确定不移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条