no laughing matter

US /noʊ ˈlæfɪŋ ˈmætər/
UK /noʊ ˈlæfɪŋ ˈmætər/
"no laughing matter" picture
1.

no es cosa de risa, asunto serio

a serious issue or situation that should not be treated lightly or joked about

:
The company's financial problems are no laughing matter.
Los problemas financieros de la empresa no son cosa de risa.
Climate change is a serious threat and no laughing matter.
El cambio climático es una amenaza seria y no es cosa de risa.