If you say that someone or something is fallible, you mean that they are not perfect and are likely to make mistakes or to fail in what they are doing.
例句
They are only human and all too fallible...他們只不過是普通人，太容易犯錯誤了。The system has proved fallible time after time...時間一次又一次證明,這個系統是會出錯的。
英漢詞典釋義
adj.
容易犯錯的
All men are fallible.人皆有過。We’re fallible, so we make mistakes.我們難免有錯。
英英詞典釋義
Adjective
1. likely to fail or be inaccurate;
"everyone is fallible to some degree"
2. having the attributes of man as opposed to e.g. divine beings;