busy oneself at

busy用法_百度知道 ... busy 在工作 busy oneself with 忙于 busy oneself about 忙于 ...

大学英语四级词汇短语总归... ... lose contact with 与…失去联系 busy oneself with 使自己忙于 charge sb. with 指控某人有…罪 ...

五十得子-英语点津 ... 13. implant: 把（某物）植入（体内）。 15. busy oneself with sth.: 使自己忙于某事。 16. gasp: 喘气， …