Х20
В ХВОСТЕ (чего,
occas. кого) идти, плестись, оказаться, оставить кого и т. п.
PrepPInvaradv,
subj-compl with copula (
subj:
human or
collect) , or
obj-compl with оставить
etcobj: human or
collect) ) (to be) unable to keep up with some person or group, or (to leave some person or group) behind one and unable to keep up as one progresses ahead: (lag (trail, fall, leave
s.o. lagging, leave
s.o. trailing
etc)) behind(be) at the tail (tag) end (of
sth. )(in refer, to studies only) (be) at the bottom of the class.