They decided to start a family.

　　他們決定了要孩子。

　　He decided to scour the sink.

　　他決定把水池擦洗干凈。

　　He's decided to grow a beard.

　　他已經決定蓄胡須。

　　He decided to turn professional.

　　他決定轉為職業人員。

　　I decided to ditch the sofa bed.

　　我決定把沙發床扔掉。