They think the owner of the house is abroad.

=>The owner of the house .....

The owner of the house is believed to be abroad.

$→$ sth of sth : chủ nhân của cái gì đó

$-$  believed to be = think (v): nghĩ/ tin

$-$ abroad (a): ở nước ngoài

$\color{#00FFFF}{\text{#}}$$\color{#CCFF99}{\text{A}}$$\color{#99FF99}{\text{ꮮ}}$$\color{#33FF99}{\text{ꮖ}}$$\color{#00FF99}{\text{ꮑ}}$$\color{#99FFCC}{\text{ꭺ}}$$\color{#66FFCC}{\text{ꭺ}}$$\color{#00FF33}{\text{ꭺ}}$$\color{#00FFCC}{\text{ꭺ}}$$\color{#00FFFF}{\text{ꭺ}}$