c1405 (c1395) G. Chaucer (Hengwrt) (2003) l. 286 It is no childes pley To taken a wyf withouten auysement.
a1500 tr. Thomas à Kempis (Trin. Dublin) (1893) 107 (MED) Lorde, þis is not o days werke ner children pley, but, þat more is, in this shorte worde is includid all perfeccioun of Religiose folke.
1548 tr. M. Luther Pref. sig. Av Forgette all children playes.
1606 W. Arthur & H. Charteris (1 Thess.) xix. 237 Al torment here, is but childs play, in respect of the heauy judgements of God.
1706 A. H. Franke 138 What is all our doing when compared with the Ancients? These were Men indeed, and perform manly Deeds, but with us it is mere Childs-play.
1774 A. Mackrabie Let. 7 Dec. in (1901) I. 219 All the engagements of Business I have had in Europe or in America were Child's Play compared to my Occupations here.
1839 T. Carlyle vi. 52 The..craftsman finds it no child's play.
1849 T. B. Macaulay I. iii. 322 Elderly gentlemen who had seen service which was no child's play.
1903 23 May 348 Going over Niagara in a barrel would seem like child's play in comparison to taking the road on a bike.
1969 K.-H. Scheer & W. Ernsting i. iv. 54 It should be child's play for her to help us in this desperate situation.
2010 (U.K. ed.) June 9/1 Theorists have..spun off calculational techniques that make child's play of the toughest problems in ordinary particle physics.