He boarded the roof himself.

他自己用木板盖屋顶。

youdao

Then he boarded the train.

随后，他上了火车。

youdao

He boarded up the Windows.

他用木板将窗钉上。

youdao

But he says December's incident in which a Nigerian man boarded a jet headed for Detroit with explosives hidden in his underwear shows that more work lies ahead.

VOA: standard.2010.06.05

He boarded a bus to Berlin on the morning of June 1, Lafreniere said.

CNN: Human remains sent to schools in Canada

On 5 July 2009, he boarded a plane headed for Honduras, but it was blocked from landing.

BBC: Honduras: Ousted President Manuel Zelaya returns

He had probably made up his mind unconsciously the moment he boarded the Chuo Line train in Koenji.

NEWYORKER: Town of Cats