Meaning of 男性がときどき見せる[これって脈アリサイン]


In the below sentence I translated the first part as "Men sometimes display"
but cannot figure out the meaning of [これって脈アリサイン].

> 男性{だんせい}がときどき見{み}せる[これって脈{みゃく}アリサイン]




これって”脈アリ”サイン ＝Might this be the "there-is-a-chance" sign?

When you want to find a hot spring or a valuable metals, you have to check 水脈
(the hot water pathway underground) or 鉱脈 (metalliferous vein) in advance.

脈がある means that there is such a 脈, which is something good, positive, and
welcomed.

Now in the modern colloquial Japanese, "脈アリ" means that **there is the
possibility that the person likes you, has a positive feeling toward you, has
a date with you, or becomes your lover.**

男性がときどき見せる[これって脈アリサイン]

**_[The sign of positive feeling toward you, maybe,] that men show you
sometimes_**




これって”脈アリ”サイン ＝Might this be the "there-is-a-chance" sign?

When you want to find a hot spring or a valuable metals, you have to check 水脈
(the hot water pathway underground) or 鉱脈 (metalliferous vein) in advance.

脈がある means that there is such a 脈, which is something good, positive, and
welcomed.

Now in the modern colloquial Japanese, "脈アリ" means that **there is the
possibility that the person likes you, has a positive feeling toward you, has
a date with you, or becomes your lover.**

男性がときどき見せる[これって脈アリサイン]

**_[The sign of positive feeling toward you, maybe,] that men show you
sometimes_**

