No laughing matter
Meaning: If a subject is no laughing matter, it is serious and not something that people should joke about.
Example: Be serious. This is no laughing matter. This disease is no laughing matter. It's quite deadly if not treated immediately.
Выучи грамотный разговорный английский до уверенного владения всего за 9 месяцев по системе естественного усвоения иностранных языков. Жми!
Example: Be serious. This is no laughing matter. This disease is no laughing matter. It's quite deadly if not treated immediately.