At one's beck and call.
eg:The boss has many workers at his beck and call around him.
中英俚語俗語來源:蘇軾 王仲儀真贊序:“至于緩急之際,決大策,安大眾,呼之即來,揮之即散者,唯世臣巨室為能。”
同義詞:頤指氣使 Get someone by the short hairs.
參考例句:It really get me when she start boss people around 她頤指氣使地對人, 真叫我厭惡
呼之即來,揮之即去 At one's beck and call.
參考例句:He is famous for his good temper. He always shows up at one's beckon, and leaves when asked to. 他是出了名的好脾氣, 一直呼之即來, 揮之即去