Tā yòu wán lǎobǎxì, jiǎzhuāng shēngbìng táobì zérèn.
He's playing the same old trick again - pretending to be sick to avoid responsibility.
Tips
usage
老把戏 is used with mild contempt or exasperation. The 把戏 component originally referred to circus or acrobatic acts - tricks that have been performed so many times they become predictable.