to be done or caused by someone

Is this your doing? (= Did you do this?) 这是你做的吗?

It was not my doing. 这可不是我做的。

See also: deed (ACTION)

to be difficult to do and need a lot of effort

Running a marathon takes some/a lot of doing. 跑马拉松需要花费很大的气力。

someone's activities

The doings of the British royal family have always been of interest to the media. 英国王室的活动一直是媒体关注的焦点。

anything, especially a small object, whose name you have forgotten or do not know

I'm looking for a doings to hold up a curtain rail that's fallen down. 我在找一个能托住脱落的窗帘杆的东西。