HSK 3.0 11000 CHINESE WORDS
ENGLISH 6000 THEME WORDS
OXFORD 5000 CORE WORDS
TANAKA 6000 CORE WORDS
đi dạo từng nhóm 
to walk about in groups
[ đi ] : to go; (particle used to form commands, suggestions)
[ dạo ] : period, time (past), this time, these days; to stroll, walk
[ từng ] : (1) (present perfect marker); (2) each, one by one, every; (3) layer, level, step; (4) to experience; (5) by, for; (6) [CL counter for units of floors of stories], layer, story (of a building)
[ nhóm ] : to gather, group, collect; group
đi dạo từng nhóm to walk about in groups [ dạo ] : period, time (past), this time, these days; to stroll, walk
[ từng ] : (1) (present perfect marker); (2) each, one by one, every; (3) layer, level, step; (4) to experience; (5) by, for; (6) [CL counter for units of floors of stories], layer, story (of a building)
[ nhóm ] : to gather, group, collect; group