等: class, rank, grade, equal to, same as, wait for, await, et cetera, and so on...
一半: half...
群: group, crowd, flock, herd, pack etc...
档: official records, grade (of goods), file, records, shelves, slot, gap, crosspiece, classifier for crosspieces, classifier for events, affairs etc...
就医: to receive medical treatment...
尺寸: size, dimension, measurement...
拙劣: clumsy, botched...
字: letter, symbol, character, word, courtesy or style name traditionally given to males aged 20 in dynastic China...