do something off your own bat idiom UK informal
主动地做…；自觉地做…
to do something without anyone else telling you or asking you to do it
I didn't ask her to buy them a present - she did it off her own bat. 我没有叫她给他们买礼物——是她自己去买的。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。