modicum
noun [ S ] formal uk/ˈmɒd.ɪ.kəm/ us/ˈmɑː.dɪ.kəm/
少量，一点点
a small amount of something good such as truth or honesty
There's not even a modicum of truth in her statement. 她的话里一点儿真话都没有。
Anyone with a modicum of common sense could have seen that the plan wouldn't work. 稍有常识的人都会看出来这个计划不可行。