did
v. 做( do的过去式); 干; 学习; 研究
Did is the past tense of do.
He did the work without effort.
他很轻松地就把工作做好了.
Today I really swam to my heart's content . I did 3,000 metres at a stretch.
今天我一口气游了三千米,真过瘾.
The branch bent but did not break.
那树枝弯曲,但没有折断.
I hinted at his imprudence, his folly, but he did not take my hint.
我暗示他的轻率, 他的愚蠢, 但他没有觉察我的暗示.
When [ Where , How ] ever did you lose it?
你到底何时 [ 何地, 怎样 ] 丢失了这个东西?