Hypercritical of colloquial speech; the overcritical teacher can discourage originality.

对口头的语言过于苛刻；吹毛求疵的教师会打击创造性。

The numerical results show that the elephant foot bulging is in fact buckling failure which is caused by the overcritical compressive stress rather than intensity failure.

分析表明：立式储液罐罐壁“象足”变形主要是由罐壁纵向压应力超过临界应力而产生的局部屈曲破坏，并非强度破坏。