To masturbate.
手淫
(N. Amer. informal)cause someone inconvenience or problems, especially by acting unfairly or indecisively
(北美，非正式)（尤指不公正或优柔寡断的行为）造成（某人）的不便，给（某人）带来麻烦
(informal)log into or connect up (a computer or electronic device)
(非正式)进入或联接（电脑系统或电子装置）
(Brit. informal)give up or leave off from doing something, especially a job
(英，非正式)放弃（或停止）做某事（尤指工作）
(vulgar slang)masturbate
(粗俚)手淫
(informal)inject oneself with a narcotic drug
(非正式)给自己注射麻醉毒品
(Austral.)give up or refuse to participate in something
(澳)放弃；拒绝参与
raise something, especially a vehicle, with a jack
（用千斤顶）举起，抬起某物（尤指车辆）
(NZ informal)arrange or organize something
(新西兰，非正式)安排，组织
(informal)very quickly or suddenly
(非正式)说时迟那时快，突然间，一刹那
(informal)each and every person (used for emphasis)
(非正式)人人，每个人 [用于强 调]
they're spies, &B{every man jack of them}.
他们是间谍，每个人都是。
(informal)used to express selfish complacency
(非正式)（表示只求自己没事的自得心理）老兄，我没事
a person who can do many different types of work but who is not necessarily very competent at any of them
杂而不精的人，三脚猫；万能博士，万金油
(Brit. rhyming slang)on one's own
(英，谐俚)独自，自个儿