To pay unsolicited and usually unwanted sexual attention to
（性）吸引地注意：对性吸引自发地且通常不受欢迎地注意
can't go into a bar lately without being hit on.
最近只要去酒吧，没有不受到注意的
To approach and ask (someone) for something, especially for money
请求，要求：尤指接近并向（某人）索要金钱
tried to hit me up for a loan.
试图请求我贷款
done or occurring at random
随意的，任意的，偶然的
picking a remedy can be a bit hit-and-miss.
挑选治疗法可能会有点随意性。
denoting a person who causes accidental or wilful damage and escapes before being discovered, or damage caused in this way
肇事（或故意损害）后逃跑的；肇事后逃跑造成的损失
he was struck by a hit-and-run driver.
他被肇事后逃跑的司机撞的。
(Boxing)(拳击)give one's opponent an illegal low blow
（非法）击中对手腰以下部位
(Brit.)affect someone very severely
(英)严重影响（人）
(informal)start something and proceed at a fast pace with enthusiasm
(非正式)积极着手进行
(informal)be naturally friendly or well suited
(非正式)性情相投，合得来
be successful in an attempt or accurate in a guess
尝试成功；猜中
as likely to be unsuccessful as successful
可能成功也可能不成功，随意的
her work can be hit-or-miss.
她的工作可能行也可能不行。
her work can be hit-or-miss.
她的工作可能行也可能不行。