dead beat

adjective
🔊/ˌded ˈbiːt/
🔊/ˌded ˈbiːt/
(also beat)
[not before noun] (informal)
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  1. very tired筋疲力尽;疲惫不堪
    • You look dead beat.你好像累得够呛。🔊🔊
    Topics Feelingsc2