[ liǎojiě ] 1.(知道得清楚) understand; comprehend; acquaintance 短语和例子 了解事物发展的规律 understand the laws of development of things; 一位优秀的教师必须了解儿童。 a good teacher must understand children. 你如果能正确和有效地使用一个字, 你就了解它了。 if you can use a word correctly and effectively, you comprehend it.2.(打听, 调查) find out; acquaint oneself with 短语和例子 了解国内外科学技术发展情况 keep abreast of current development in science and technology at home and abroad