come-on
/ˈkʌmɒn/noun
1- informal a thing that is intended to lure or entice〈非正式〉诱饵; 诱惑物。
1.1
- a gesture or remark that is intended to attract someone sexually引诱的姿态, 挑逗话语：
she was giving me the come-on.
她在挑逗我。
1.2
- a marketing ploy, such as a free or cheap offer优惠; 产品诱惑（买卖手法, 如免费赠送, 廉价出售）：
as modifier introductory come-on rates.试用优惠价。