lumpsb/sthtogether
—phrasal verbwithlumpverbinformaluk/lʌmp/us/lʌmp/
to put differentgroupstogether andthinkabout them ordealwith them in the same way
把…混到一块儿，把…合并在一起
All thechildrenarelumpedtogether in oneclass,regardlessoftheirability.不管资质如何，所有孩子都被合并到一个班。