log in · fill in for
in = 안으로, 빈자리를 채움
log off · put off
off = 떨어져 나옴, 떼어 놓음
catch up on · come up with · wrap up · pick up
up = 위로, 따라잡음·떠오름·완성
fill out · figure out · run out of
out = 끝까지, 밖으로 꺼냄
call back · get back to
back = 다시, 되돌려
go over · look into
over = 쭉 훑음 · into = 안을 들여다봄