I assumed it had something to do with security on the Opening Day.

在开幕的那天，我假定必须要同安全部门做一些事情。

youdao

It was assumed that the potential slide surface was composed of a part of the original slide surface and a circular surface through the specified shear opening.

该法假定自指定点剪出的潜在滑面由部分原滑坡滑面和通过指定剪出点的圆弧面组合而成。

youdao

The formidable opening pair of Ganguly and Sachin Tendulkar was broken when the languid Ganguly assumed Panesar would fail to stop a Tendulkar drive in the third over and turned without looking to set off for a second run.

BBC: England begin with resounding win

He assumed his decision would be used against him and hoped to undermine that angle in his opening.

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Yes, he has a son and a life of this own, but as he reminds us in the opening pilot, the most important thing is family (not breakfast, as his son George Michael assumed).

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