彼女が彼に惚れてるのは岡目八目疑いのないところだよ。

tbd

As a disinterested third-party, I can declare that she secretly loves him.

まさか惚れたんですか。認めん、認めんぞ。あの男を義弟になるなんて、僕は絶対いやです！

tbd

You haven't fallen in love, have you!? I won't have it! Having that man become my brother-in-law; I absolutely hate that!

私は女の子に惚れたことがない。

tbd

I've never fallen in love with any girl.

I've never fallen in love with a girl.

I have never fallen in love with any girl.

惚れた欲目。

tbd

Love sees no faults.

ビルはどうもメアリーに惚れているらしい。

tbd

Bill seems to be stuck on Mary.