to curl up (like a scroll); to huddle; Melania libertina; wriggle (as a worm)

to curl up; to lie with knees drawn up; to huddle up

to curl up; to lie curled up

to curl up; to coil

twisted; coiled; curled

progress seems like regress (alternative wording for 進道若退|进道若退[jin4 dao4 ruo4 tui4])