如题所述
1、look up 是动词加副词的结构，意思是查找。
常见短语是look sb up，look sth up.
例句：She looked up and saw me.
她抬头看见了我。
2、look up to是动词加副词加介词的结构，意思是抬头看(某人或某物)；尊重〔敬仰〕(某人) ，常见短语是look up to sb.
例句：Mr. Smith had taught for many years, and all students looked up to him.
史密斯先生教了多年的书，他的所有学生都尊敬他。
3、look up 译为“查找、拜访某人“等义，根据副词”up“为”向上“之义，look up 也可译为”向上看“
（用作”查找“之义时，后可直接跟宾语。）
(2). We looked him up on saturday morning.
（用作拜访某人或后跟人称代词时，结构常为”look sb. up“）
常见短语是look sb up，look sth up.
例句：She looked up and saw me.
她抬头看见了我。
2、look up to是动词加副词加介词的结构，意思是抬头看(某人或某物)；尊重〔敬仰〕(某人) ，常见短语是look up to sb.
例句：Mr. Smith had taught for many years, and all students looked up to him.
史密斯先生教了多年的书，他的所有学生都尊敬他。
3、look up 译为“查找、拜访某人“等义，根据副词”up“为”向上“之义，look up 也可译为”向上看“
扩展资料
例：(1). I always look up the words I don'know in the textbook.（用作”查找“之义时，后可直接跟宾语。）
(2). We looked him up on saturday morning.
（用作拜访某人或后跟人称代词时，结构常为”look sb. up“）
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