chat-up line
noun[C]
UKinformalinformaluk/ˈtʃæt.ʌp ˌlaɪn/us/ˈtʃæt̬.ʌp ˌlaɪn/(UScome-on line)aremarkthat someone makes to anotherpersonto maketheirsexualinterestknownto thatpersonandstartaconversation:
（与对自己有性吸引力的人）调情的话，搭讪的话"Have you been here before?" "That's one of theoldestchat-uplinesI'veeverheard!"“你以前来过这儿吗?”“这是我所听过的最老套的搭讪之一。”