Student leaders are demanding greater freedom of expression (= the right to say what you think without being punished ).
学生领袖要求得到更多的言论自由。
n. [数]表达，表示；表情；[遗]表现力；措辞
utterance、
representative of
adj. express、 expressive、 expressionless、 expressible、 expressionistic
adv. expressively
vt. express