Changmin’s comment:

Changmin replied on Shim Jaewon’s post on how the staff had worked very hard 수고 in the hot weather for smtown dubai:
“they really worked very hard” {t/n: 고생 used has a “stronger” connotation of going through a tough time/suffering to accomplish something}

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Credits:

beatburgerjae: here,
Screencap by @Shim_Ls2v2,
Translated by @snxy,
Posted and Shared by TVXQ! Express