obliged

有義務的、不得不、必須

I felt obliged to help my neighbor move the furniture.

我覺得有義務幫鄰居搬家具。

感激的、感謝的正式

I would be much obliged if you could reply by Friday.

若您能在週五前回覆，我將十分感謝。

被迫、迫使常用被動

Heavy snow obliged us to cancel the whole trip.

大雪迫使我們取消整趟旅行。

幫忙、答應、照辦

The fans wanted another song, and the singer happily obliged.

歌迷想再聽一首，歌手很樂意答應。