上学go to school; begin primary school
上工go to work; begin work at the employer's house on the first day
上水upper reaches of a river; sail upstream
上课attend a class; conduct a class
下水be launched; sock in water to shrink textiles, cloth or fabrics
作客visit a relative or a friend; sojourn
听话listen to; be obedient or docile
回话answer an enquiry from one's superior; reply
开工go into production; come under construction
开饭begin to serve a meal; serve a meal
打住come to a halt; stay temporarily
打开open; bring about a new situation
打样draw a design; produce a proof before printing
点名call the roll; mention somebody
看病see a patient; see/consult a doctor
读书read a book; study one's lessons
上菜serve the food/dishes; top quality dish