拉練

(military) to undergo field training (camping, bivouacking, route marching, live fire practice etc) / (sports) to get into peak condition by competing overseas

to pull / to play (a bowed instrument) / to drag / to draw / to chat / (coll.) to empty one's bowels

to practice / to train / to drill / to perfect (one's skill) / exercise / (literary) white silk / to boil and scour raw silk