表 (biǎo) is a versatile character that can function as a verb meaning "to show" or "to express." It often appears as part of compound words like 表示 (to express) or 表现 (to display). As a standalone or bound morpheme, it carries the core meaning of outward display or representation.
她的眼神表露出一丝紧张。
Tā de yǎnshén biǎolù chū yī sī jǐnzhāng.
Her eyes revealed a hint of nervousness.
这幅画表现了春天的生机与活力。
Zhè fú huà biǎoxiàn le chūntiān de shēngjī yǔ huólì.
This painting expresses the vitality and energy of spring.
他用行动表明了自己的态度。
Tā yòng xíngdòng biǎomíng le zìjǐ de tàidù.
He demonstrated his attitude through his actions.