He tried several times. And he succeeded in the end.

他尝试了许多次，最后终于成功了。

youdao

He tried several times, and in the end he succeeded.

他尝试过多次，最后成功了。

youdao

He tried several times to pass the exam, and in the end he succeeded.

他几次努力想通过考试，最后终于成功了。

youdao

He tried several times to thank me for saving the life of the Princess.

VOA: special.2011.08.06

Unlike TR, Bryan never became president, though he tried several times.

FORBES: Obama and the Populists

Mr Philpott said he tried several times to smash the window into his daughter Jade's back bedroom from outside but could not get into the house.

BBC: Derby

He tried several times to make growth appear as if it was in line with his 4 percent forecast earlier in the year, citing 2.5 percent growth in agribusiness GDP, up 10 percent annualized and 1.1 percent industrial sector growth, up 4.4 percent.

FORBES: Brazil Economy Not What It Once Was