ㄧㄣyīnㄖㄣˊrénㄔㄥˊchéngˋshì

  1. 本身沒有能力依靠他人力量完成事情史記··平原君》:所謂因人成事。」·蘇軾覺察〉:因人成事?」而立倚仗他人

to get things done relying on others (idiom)​; with a little help from his friends