It's no [some] comfort.
それは慰めにならない[少しなる]
It's no concern of yours! = It's none of your concern!
君には関わりのないことだ!
It's no cooler today; rather, it's hotter.
きょうは涼しいどころかさらに暑くなっている
It's no go.
だめだ
It's [There's] no good complaining.
ぼやいてもむだだ
It's no great matter.
それは大した問題じゃない
It's no joke.
笑えない
It's no laughing matter.
笑い事ではない
It's no picnic.
楽な仕事[こと]じゃない
It's no use expecting support from them.
彼らに支持を求めてもむだだ