on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
学期
xué qīㄒㄩㄝˊ ㄑㄧ
term; semester[cedict]
对于
duì yúㄉㄨㄟˋ ㄩˊ
regarding; as far as sth is concerned; with regards to[cedict]
行为
xíng wéiㄒㄧㄥˊ ㄨㄟˊ
action; conduct; behavior; activity[cedict]
不
bùㄅㄨˋ
(negative prefix); not; no[cedict]
端
duānㄉㄨㄢ
end; extremity; item; port; to hold sth level with both hands; to carry; regular[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]