see through somebody

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

see through sb/sth phrasal verb [ seeing through sb/sth saw through sb/sth seen through sb/sth seen through sb/sth sees through sb/sth ]
to realise that someone is trying to deceive you to get an advantage, or that someone's behaviour is intended to deceive you, and to understand the truth about the situation
• They were very friendly, but I quickly saw through them.
• She saw through his excuse at once.
Thesaurus⁺: ↑Understanding and comprehending
Main entry: see_{phrasal verb}