He assured himself of her safety.

他确定她是安全的。

《牛津词典》

He assured himself that the bridge was safe before crossing it.

过桥前他使自己确信桥是安全的。

youdao

He assured himself that the door was strong and the bolt solid; then he set down his lamp upon a bracket.

等他相信房门确是坚固可靠，门闩确是结实以后，便将灯放在托架上。

youdao

Not only did Blyleven do this in 2010, but he almost assured himself of election in 2011.

FORBES: Cooperstown Finally Welcomes Alomar And Blyleven

Lamb started shakily with the boot missing a straightforward penalty in front of the posts early in the game but he composed himself to put in an assured performance.

BBC: London Irish 18-12 Leicester

On-loan Liverpool youngster Ayala was more assured in his regular defensive role, denying Alberto Bueno a sight of goal before he opened the scoring himself on 43 minutes.

BBC: Hull 2-0 Derby