a useless or hopeless pursuit
無駄または絶望的な追求
"Looking for that document was a wild goose chase."
"その書類を探すのは無駄な追跡だった。"
to die (humorous or informal)
Loyal and trustworthy.
a completely different or contrasting situation
a state of complete freedom or lack of pressure
A sudden creative idea
To openly show your emotions or feelings.