Uponen乌波宁uponprep.在 ... 上；紧接着；逼近upon our last legsadj.濒于绝境(快要完结)upon his last legsadj.濒于绝境(快要完结)upon my conscienceadv.凭良心说(公平地说；当然)upon her last legsadj.濒于绝境(快要完结)upon one's hunkers蹲着upon at ones heelsadj.接踵(紧接着；尾随)upon its last legs奄奄一息upon on compulsionadj.被迫(不得不)upon on ones heelsadj.接踵(紧接着；尾随)upon pain of death违则处死