(zài, ㄗㄞˋ) (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress) [CE-DICT]
战
(zhàn, ㄓㄢˋ) to fight; fight; war; battle [CE-DICT]
场
(cháng, ㄔㄤˊ) threshing floor; classifier for events and happenings; classifier for number of some languages and actions (cannot be followed by a noun) [CE-DICT]
(chǎng, ㄔㄤˇ) a place; an open space; a field; a courtyard; classifier for events such as sports matches, concerts, or cultural events; classifier for number of exams [CE-DICT]