эм нохой сүүлээ өргөөгүй бол эр нохой шинжилж чадахгүй
[2-3-1-3]日本語
雌犬が尻尾を上げなければ、雄犬は判断できない
英語
If the female dog hasn't raised her tail, the male dog cannot tell.
備考
idiom: without a clear signal of interest from one side, the other cannot act