call-out
noun[C]
(alsocallout)uk/ˈkɔːl..aʊt/us/ˈkɑːl..aʊt/anoccasionwhen someone isaskedto come to a person'shomeor to aparticularplaceinorderto do ajob,helpsomeone, etc.
应召出工（前往某人住宅或特定某处执行某项工作或协助某人）
Manyplumberschargedoublefor anemergencycall-out over theweekend.许多水管工在周末紧急出工时会收双倍费用。
call-outfees/charges/service出工费/收费/服务
Themountainrescueservicehad several call-outs lastweek.山地救护队上周好几次应召出动。