A catcall is a loud whistle or shout that says 'we do not like this.' In a theatre, a meeting, or a speech, people catcall to send disapproval at the speaker or the show — a kind of ugly noise from the crowd.

A catcall這個字 is是 a loud whistle or shout一種大聲的口哨或叫喊， that says 'we do not like this.'意思是『我們不喜歡這個』。 In a theatre, a meeting, or a speech在劇場、會議或演講裡， people catcall人們就會發出catcall， to send disapproval at the speaker or the show對講者或表演表達不滿—— a kind of ugly noise from the crowd也就是群眾發出的一種難聽噪音。

The name is from the 1600s, from cat + call, because the sound was thought to resemble cats crying at night, not because anyone is calling a cat over.

The name這個名字 is from the 1600s來自1600年代， from cat + call是cat（貓）加call（叫）組成的， because the sound was thought to resemble cats crying at night因為那個聲音被認為像貓在夜裡叫， not because anyone is calling a cat over不是因為有人在呼喚貓過來。

Though actually, in a lot of modern talk, especially American talk, catcall is also the whistle or rude shout aimed at a stranger in the street, often a woman. That use is not about a performance at all; people treat it as unwanted, rude attention.

Though actually不過實際上， in a lot of modern talk, especially American talk在很多現代用法裡，尤其是美式英語， catcall is alsocatcall也可以指 the whistle or rude shout aimed at a stranger in the street對街上陌生人吹的口哨或粗魯叫喊， often a woman通常是女性。 That use這種用法 is not about a performance at all完全跟表演無關； people treat it as unwanted, rude attention人們把它當成不受歡迎的粗魯騷擾。

Same word, two worlds: the old one is the crowd against a stage; the newer one is a stranger against a person walking by.

Same word, two worlds同一個字，兩個世界： the old one舊的用法 is the crowd against a stage是群眾對著舞台； the newer one新的用法 is a stranger against a person walking by是陌生人對著路過的人。