1 call at ( a place ) 访问(某地) He called at the hospital after work to find out whether Mr Lin was better. 他下班后去医院探望身体是否好些。 2 call on sb. 拜访、访问某人 He calls on his grandparents every weekend. 他每周末都拜访他的祖父母。 比较: call on sb. to do sth. 号召某人做某事 The president called on everyone to work hard for the national unity. 总统号召大家为国家统一而努力。 3 catch fire 着火 Suddenly a car on the road caught fire. 突然辆汽车着火了。 4 call for 要求、需求 Success calls for hard work. 成功要靠勤奋。 5 call in 召 集、招来 The army was called in to help clear the roads and paths. 军队被召集来帮忙清理马路和小径。