卷土重来

lit. to return in a swirl of dust (idiom) / fig. to regroup and come back even stronger / to make a comeback

to roll up / roll / classifier for small rolled things (wad of paper money, movie reel etc)

scroll / book / volume / chapter / examination paper / classifier for books, paintings: volume, scroll

to roll (up) / to sweep up / to carry on / roll

to roll up / to sweep up; to carry along / a roll / classifier for rolls, spools etc

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

to repeat / repetition / again / re- / classifier: layer

heavy / serious / to attach importance to

to start over / to do sth all over again

to come / to arrive / to come round / ever since / next