He did the job rather incompetently.这项工作他做的相当不好....

adv.无能力地...

incompetently的音标：incompetently的英式发音音标为：[ɪn'kɒmpɪtəntlɪ]incompetently的美式发音音标为：[ɪn'kɒmpɪtəntlɪ]...