disqualify

1.disqualify（使不合格）的宾语的后面接for和动名词，不接不定式，如His poor eyesight has disqualified him for serving in the army里的for serving不可改作to serve。

2.disqualify（使失去权利）的宾语的后面接from和动名词。例如：A conviction of perjury has disqualified him from being a witness.