forgetfulKK [fɔrˋgɛtfəl] /fɔɹˈɡɛtfəl/發音形容詞1健忘的、易忘的My grandmother has become quite forgetful in the past year.我奶奶這一年來變得相當健忘。2疏忽的、不顧的正式,常接 ofHe worked all night, forgetful of the time and his health.他工作了整夜,全然不顧時間與自己的健康。