误He agreed to come but said he didn't feel equal to make a speech.
正He agreed to come but said he didn't feel equal to making a speech.
我感到不能胜任这个工作。误I don't feel equal to do the work.
误I don't feel equal as the work.
正I don't feel equal to doing the work.
析be equal to作“胜任”解时,其后的to是介词,后接名词或动名词,而不是动词不定式符号。另外介词to也不能错用为as。