limitation

n. /ˌlɪm.əˈteɪ.ʃən/ B1

局限；限制；缺点

A restriction or a weakness that prevents total success.

仙境例句

For all its magic, the mushroom had a limitation, for it never gave the right size at the first bite.

这蘑菇虽然神奇，却有个不足：第一口从来不会让人变得大小正好。