paper tiger
US /ˈpeɪ.pər ˈtaɪ.ɡər/
UK /ˈpeɪ.pər ˈtaɪ.ɡər/

1.
紙老虎
a person or thing that appears threatening but is ineffectual
:
•
The dictator was exposed as a paper tiger when his army quickly collapsed.
當他的軍隊迅速崩潰時,這位獨裁者被揭露為紙老虎。
•
Their threats turned out to be nothing more than a paper tiger.
他們的威脅不過是紙老虎。