stepinとは 意味・読み方・使い方

動詞

step in (third-person singular simple present steps in, present participle stepping in, simple past and past participle stepped in)

1. (intransitive) To act as a replacement or substitute.
   • 2011 December 29, Keith Jackson, “SPL: Celtic 1 Rangers 0”, in Daily Record‎:

     McCoist unexpectedly ushered back a defender of his own with Kirk Broadfoot taking over from Steven Whittaker. There was, of course, another change, Kyle Bartley stepping in at centre-half to replace suspended Dorin Goian.

2. (intransitive) To get involved; to act.
   • 2026 February 18, David Stubbings, “ORR steps in to improve industry response to overspeed incidents”, in RAIL, number 1055, page 9:

     HM Chief Inspector of Railways has stepped in to speed up work to resolve incidents of overspeeding, having been concerned that progress on the issue has been too slow.