be engaged in

be eager to （do）急于要（做）...be engaged in忙于，从事于...be equal to等于

end up sth with sth 用…结束…...be engaged in 参与，从事...elementary school 小学

participate in 参加...be engaged in 从事、参加...be involved in 卷入

be determined to决心要（做某事）...be engaged in忙碌于（做某事）...be forced to被迫（做某事）