MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

敷衍	fū yǎn	to elaborate (on a theme) / to expound (the classics) / perfunctory / to skimp / to botch / to do sth half-heartedly or just for show / barely enough to get by
偷工减料	tōu gōng jiǎn liào	to skimp on the job and stint on materials (idiom) / jerry-building / sloppy work
敷衍塞责	fū yǎn - sè zé	(idiom) to skimp on the job; to work half-heartedly; not to take the job seriously
一曝十寒	yī pù shí hán	one day's sun, ten days' frost (idiom, from Mencius); fig. to work for a bit then skimp / sporadic effort / lack of sticking power / short attention span
一暴十寒	yī pù shí hán	one day's sun, ten days' frost (idiom, from Mencius); fig. to work for a bit then skimp / sporadic effort / short attention span
偷工	tōu gōng	to skimp on the job / to avoid work
一带而过	yī dài ér guò	to skate around / to skip over / to skimp