名词形式: expression
n. 表现，表示，表达；表情，脸色，态度，腔调，声调；式，符号；词句，语句，措辞，说法
These students were criticized for using coarse expressions.
这些同学因言辞粗俗，受到了批评。
Her expression suddenly altered.
她的表情突然变了。
Her expression was glacial.
她表情冷淡。
Her expression grew solemn.
她的表情显得严肃起来。
Her expression is almost comical.
她的表情几乎有点儿滑稽。
Her expression was watchful and alert.
她露出一副察言观色、处处提防的表情。
名词形式是expression，例如：
1.This expression is used mainly in speech, not in writing.这种表达主要用于口语，而不是书面语。
2.The course teaches students to avoid ambiguity and obscurity of expression.这门课程教学生避免表达上的模棱两可、含混不清。
3.Try to put a little more expression into it!尽量注入更多的感情！
